Section 1: Equations and Inequalities |
|
Expressions and Formulas |
22:23 |
| |
Intro |
0:00 | |
| |
Order of Operations |
0:19 | |
| |
| Variable |
0:27 | |
| |
| Algebraic Expression |
0:46 | |
| |
| Term |
0:57 | |
| |
| Example: Algebraic Expression |
1:25 | |
| |
| Evaluate Inside Grouping Symbols |
1:55 | |
| |
| Evaluate Powers |
2:30 | |
| |
| Multiply/Divide Left to Right |
2:55 | |
| |
| Add/Subtract Left to Right |
3:35 | |
| |
Monomials |
4:40 | |
| |
| Examples of Monomials |
4:52 | |
| |
| Constant |
5:27 | |
| |
| Coefficient |
5:46 | |
| |
| Degree |
6:25 | |
| |
| Power |
7:15 | |
| |
Polynomials |
8:02 | |
| |
| Examples of Polynomials |
8:24 | |
| |
| Binomials, Trinomials, Monomials |
8:53 | |
| |
| Term |
9:21 | |
| |
| Like Terms |
10:02 | |
| |
Formulas |
11:00 | |
| |
| Example: Pythagorean Theorem |
11:15 | |
| |
Example 1: Evaluate the Algebraic Expression |
11:50 | |
| |
Example 2: Evaluate the Algebraic Expression |
14:38 | |
| |
Example 3: Area of a Triangle |
19:11 | |
| |
Example 4: Fahrenheit to Celsius |
20:41 | |
|
Properties of Real Numbers |
20:15 |
| |
Intro |
0:00 | |
| |
Real Numbers |
0:07 | |
| |
| Number Line |
0:15 | |
| |
| Rational Numbers |
0:46 | |
| |
| Irrational Numbers |
2:24 | |
| |
Venn Diagram of Real Numbers |
4:03 | |
| |
| Irrational Numbers |
5:00 | |
| |
| Rational Numbers |
5:19 | |
| |
| Real Number System |
5:27 | |
| |
| Natural Numbers |
5:32 | |
| |
| Whole Numbers |
5:53 | |
| |
| Integers |
6:19 | |
| |
| Fractions |
6:46 | |
| |
Properties of Real Numbers |
7:15 | |
| |
| Commutative Property |
7:34 | |
| |
| Associative Property |
8:07 | |
| |
| Identity Property |
9:04 | |
| |
| Inverse Property |
9:53 | |
| |
| Distributive Property |
11:03 | |
| |
Example 1: What Set of Numbers? |
12:21 | |
| |
Example 2: What Properties Are Used? |
13:56 | |
| |
Example 3: Multiplicative Inverse |
16:00 | |
| |
Example 4: Simplify Using Properties |
17:18 | |
|
Solving Equations |
19:10 |
| |
Intro |
0:00 | |
| |
Translations |
0:06 | |
| |
| Verbal Expressions and Algebraic Expressions |
0:13 | |
| |
| Example: Sum of Two Numbers |
0:19 | |
| |
| Example: Square of a Number |
1:33 | |
| |
Properties of Equality |
3:20 | |
| |
| Reflexive Property |
3:30 | |
| |
| Symmetric Property |
3:42 | |
| |
| Transitive Property |
4:01 | |
| |
| Addition Property |
5:01 | |
| |
| Subtraction Property |
5:37 | |
| |
| Multiplication Property |
6:02 | |
| |
| Division Property |
6:30 | |
| |
Solving Equations |
6:58 | |
| |
| Example: Using Properties |
7:18 | |
| |
Solving for a Variable |
8:25 | |
| |
| Example: Solve for Z |
8:34 | |
| |
Example 1: Write Algebraic Expression |
10:15 | |
| |
Example 2: Write Verbal Expression |
11:31 | |
| |
Example 3: Solve the Equation |
14:05 | |
| |
Example 4: Simplify Using Properties |
17:26 | |
|
Solving Absolute Value Equations |
17:31 |
| |
Intro |
0:00 | |
| |
Absolute Value Expressions |
0:09 | |
| |
| Distance from Zero |
0:18 | |
| |
| Example: Absolute Value Expression |
0:24 | |
| |
Absolute Value Equations |
1:50 | |
| |
| Example: Absolute Value Equation |
2:00 | |
| |
| Example: Isolate Expression |
3:13 | |
| |
No Solution |
3:46 | |
| |
| Empty Set |
3:58 | |
| |
| Example: No Solution |
4:12 | |
| |
Number of Solutions |
4:46 | |
| |
| Check Each Solution |
4:57 | |
| |
| Example: Two Solutions |
5:05 | |
| |
| Example: No Solution |
6:18 | |
| |
| Example: One Solution |
6:28 | |
| |
Example 1: Evaluate for X |
7:16 | |
| |
Example 2: Write Verbal Expression |
9:08 | |
| |
Example 3: Solve the Equation |
12:18 | |
| |
Example 4: Simplify Using Properties |
13:36 | |
|
Solving Inequalities |
17:14 |
| |
Intro |
0:00 | |
| |
Properties of Inequalities |
0:08 | |
| |
| Addition Property |
0:17 | |
| |
| Example: Using Numbers |
0:30 | |
| |
| Subtraction Property |
1:03 | |
| |
| Example: Using Numbers |
1:19 | |
| |
Multiplication Properties |
1:44 | |
| |
| C>0 (Positive Number) |
1:50 | |
| |
| Example: Using Numbers |
2:05 | |
| |
| C<0 (Negative Number) |
2:40 | |
| |
| Example: Using Numbers |
3:10 | |
| |
Division Properties |
4:11 | |
| |
| C>0 (Positive Number) |
4:15 | |
| |
| Example: Using Numbers |
4:27 | |
| |
| C<0 (Negative Number) |
5:21 | |
| |
| Example: Using Numbers |
5:32 | |
| |
Describing the Solution Set |
6:10 | |
| |
| Example: Set Builder Notation |
6:26 | |
| |
| Example: Graph (Closed Circle) |
7:08 | |
| |
| Example: Graph (Open Circle) |
7:30 | |
| |
Example 1: Solve the Inequality |
7:58 | |
| |
Example 2: Solve the Inequality |
9:06 | |
| |
Example 3: Solve the Inequality |
10:10 | |
| |
Example 4: Solve the Inequality |
13:12 | |
|
Solving Compound and Absolute Value Inequalities |
25:00 |
| |
Intro |
0:00 | |
| |
Compound Inequalities |
0:08 | |
| |
| 'And' and 'Or' |
0:13 | |
| |
| Example: And |
0:22 | |
| |
| Example: Or |
1:12 | |
| |
'And' Inequality |
1:41 | |
| |
| Intersection |
1:49 | |
| |
| Example: Numbers |
2:08 | |
| |
| Example: Inequality |
2:43 | |
| |
'Or' Inequality |
4:35 | |
| |
| Example: Union |
4:45 | |
| |
| Example: Inequality |
5:53 | |
| |
Absolute Value Inequalities |
7:19 | |
| |
| Definition of Absolute Value |
7:33 | |
| |
| Examples: Compound Inequalities |
8:30 | |
| |
| Example: Complex Inequality |
12:21 | |
| |
Example 1: Solve the Inequality |
12:54 | |
| |
Example 2: Solve the Inequality |
17:21 | |
| |
Example 3: Solve the Inequality |
18:54 | |
| |
Example 4: Solve the Inequality |
22:15 | |
Section 2: Linear Relations and Functions |
|
Relations and Functions |
32:05 |
| |
Intro |
0:00 | |
| |
Coordinate Plane |
0:20 | |
| |
| X-Coordinate and Y-Coordinate |
0:30 | |
| |
| Example: Coordinate Pairs |
0:37 | |
| |
| Quadrants |
1:20 | |
| |
Relations |
2:14 | |
| |
| Domain and Range |
2:19 | |
| |
| Set of Ordered Pairs |
2:29 | |
| |
| As a Table |
2:51 | |
| |
Functions |
4:21 | |
| |
| One Element in Range |
4:32 | |
| |
| Example: Mapping |
4:43 | |
| |
| Example: Table and Map |
6:26 | |
| |
One-to-One Functions |
8:01 | |
| |
| Example: One-to-One |
8:22 | |
| |
| Example: Not One-to-One |
9:18 | |
| |
Graphs of Relations |
11:01 | |
| |
| Discrete and Continuous |
11:12 | |
| |
| Example: Discrete |
11:22 | |
| |
| Example: Continuous |
12:30 | |
| |
Vertical Line Test |
14:09 | |
| |
| Example: S Curve |
14:29 | |
| |
| Example: Function |
16:15 | |
| |
Equations, Relations, and Functions |
17:03 | |
| |
| Independent Variable and Dependent Variable |
17:16 | |
| |
Function Notation |
19:11 | |
| |
| Example: Function Notation |
19:23 | |
| |
Example 1: Domain and Range |
20:51 | |
| |
Example 2: Discrete or Continuous |
23:03 | |
| |
Example 3: Discrete or Continuous |
25:53 | |
| |
Example 4: Function Notation |
30:05 | |
|
Linear Equations |
14:46 |
| |
Intro |
0:00 | |
| |
Linear Equations and Functions |
0:07 | |
| |
| Linear Equation |
0:19 | |
| |
| Example: Linear Equation |
0:29 | |
| |
| Example: Linear Function |
1:07 | |
| |
Standard Form |
2:02 | |
| |
| Integer Constants with No Common Factor |
2:08 | |
| |
| Example: Standard Form |
2:27 | |
| |
Graphing with Intercepts |
4:05 | |
| |
| X-Intercept and Y-Intercept |
4:12 | |
| |
| Example: Intercepts |
4:26 | |
| |
| Example: Graphing |
5:14 | |
| |
Example 1: Linear Function |
7:53 | |
| |
Example 2: Linear Function |
9:10 | |
| |
Example 3: Standard Form |
10:04 | |
| |
Example 4: Graph with Intercepts |
12:25 | |
|
Slope |
23:07 |
| |
Intro |
0:00 | |
| |
Definition of Slope |
0:07 | |
| |
| Change in Y / Change in X |
0:26 | |
| |
| Example: Slope of Graph |
0:37 | |
| |
Interpretation of Slope |
3:07 | |
| |
| Horizontal Line (0 Slope) |
3:13 | |
| |
| Vertical Line (Undefined Slope) |
4:52 | |
| |
| Rises to Right (Positive Slope) |
6:36 | |
| |
| Falls to Right (Negative Slope) |
6:53 | |
| |
Parallel Lines |
7:18 | |
| |
| Example: Not Vertical |
7:30 | |
| |
| Example: Vertical |
7:58 | |
| |
Perpendicular Lines |
8:31 | |
| |
| Example: Perpendicular |
8:42 | |
| |
Example 1: Slope of Line |
10:32 | |
| |
Example 2: Graph Line |
11:45 | |
| |
Example 3: Parallel to Graph |
13:37 | |
| |
Example 4: Perpendicular to Graph |
17:57 | |
|
Writing Linear Functions |
23:05 |
| |
Intro |
0:00 | |
| |
Slope Intercept Form |
0:11 | |
| |
| m and b |
0:28 | |
| |
| Example: Graph Using Slope Intercept |
0:43 | |
| |
Point Slope Form |
2:41 | |
| |
| Relation to Slope Formula |
3:03 | |
| |
| Example: Point Slope Form |
4:36 | |
| |
Parallel and Perpendicular Lines |
6:28 | |
| |
| Review of Parallel and Perpendicular Lines |
6:31 | |
| |
| Example: Parallel |
7:50 | |
| |
| Example: Perpendicular |
9:58 | |
| |
Example 1: Slope Intercept Form |
11:07 | |
| |
Example 2: Slope Intercept Form |
13:07 | |
| |
Example 3: Parallel |
15:49 | |
| |
Example 4: Perpendicular |
18:42 | |
|
Special Functions |
31:05 |
| |
Intro |
0:00 | |
| |
Step Functions |
0:07 | |
| |
| Example: Apple Prices |
0:30 | |
| |
Absolute Value Function |
4:55 | |
| |
| Example: Absolute Value |
5:05 | |
| |
Piecewise Functions |
9:08 | |
| |
| Example: Piecewise |
9:27 | |
| |
Example 1: Absolute Value Function |
14:00 | |
| |
Example 2: Absolute Value Function |
20:39 | |
| |
Example 3: Piecewise Function |
22:26 | |
| |
Example 4: Step Function |
25:25 | |
|
Graphing Inequalities |
21:42 |
| |
Intro |
0:00 | |
| |
Graphing Linear Inequalities |
0:07 | |
| |
| Shaded Region |
0:19 | |
| |
| Using Test Points |
0:32 | |
| |
| Graph Corresponding Linear Function |
0:46 | |
| |
| Dashed or Solid Lines |
0:59 | |
| |
| Use Test Point |
1:21 | |
| |
| Example: Linear Inequality |
1:58 | |
| |
Graphing Absolute Value Inequalities |
4:50 | |
| |
| Graph Corresponding Equations |
4:59 | |
| |
| Use Test Point |
5:20 | |
| |
| Example: Absolute Value Inequality |
5:38 | |
| |
Example 1: Linear Inequality |
9:17 | |
| |
Example 2: Linear Inequality |
11:56 | |
| |
Example 3: Linear Inequality |
14:29 | |
| |
Example 4: Absolute Value Inequality |
17:06 | |
Section 3: Systems of Equations and Inequalities |
|
Solving Systems of Equations by Graphing |
17:13 |
| |
Intro |
0:00 | |
| |
Systems of Equations |
0:09 | |
| |
| Example: Two Equations |
0:24 | |
| |
Solving by Graphing |
0:53 | |
| |
| Point of Intersection |
1:09 | |
| |
Types of Systems |
2:29 | |
| |
| Independent (Single Solution) |
2:34 | |
| |
| Dependent (Infinite Solutions) |
3:05 | |
| |
| Inconsistent (No Solution) |
4:23 | |
| |
Example 1: Solve by Graphing |
5:20 | |
| |
Example 2: Solve by Graphing |
9:10 | |
| |
Example 3: Solve by Graphing |
12:27 | |
| |
Example 4: Solve by Graphing |
14:54 | |
|
Solving Systems of Equations Algebraically |
23:53 |
| |
Intro |
0:00 | |
| |
Solving by Substitution |
0:08 | |
| |
| Example: System of Equations |
0:36 | |
| |
Solving by Multiplication |
7:22 | |
| |
| Extra Step of Multiplying |
7:38 | |
| |
| Example: System of Equations |
8:00 | |
| |
Inconsistent and Dependent Systems |
11:14 | |
| |
| Variables Drop Out |
11:48 | |
| |
| Inconsistent System (Never True) |
12:01 | |
| |
| Constant Equals Constant |
12:53 | |
| |
| Dependent System (Always True) |
13:11 | |
| |
Example 1: Solve Algebraically |
13:58 | |
| |
Example 2: Solve Algebraically |
15:52 | |
| |
Example 3: Solve Algebraically |
17:54 | |
| |
Example 4: Solve Algebraically |
21:40 | |
|
Solving Systems of Inequalities By Graphing |
27:12 |
| |
Intro |
0:00 | |
| |
Solving by Graphing |
0:08 | |
| |
| Graph Each Inequality |
0:25 | |
| |
| Overlap |
0:35 | |
| |
| Corresponding Linear Equations |
1:03 | |
| |
| Test Point |
1:23 | |
| |
| Example: System of Inequalities |
1:51 | |
| |
No Solution |
7:06 | |
| |
| Empty Set |
7:26 | |
| |
| Example: No Solution |
7:34 | |
| |
Example 1: Solve by Graphing |
10:27 | |
| |
Example 2: Solve by Graphing |
13:30 | |
| |
Example 3: Solve by Graphing |
17:19 | |
| |
Example 4: Solve by Graphing |
23:23 | |
|
Solving Systems of Equations in Three Variables |
28:53 |
| |
Intro |
0:00 | |
| |
Solving Systems in Three Variables |
0:17 | |
| |
| Triple of Values |
0:31 | |
| |
| Example: Three Variables |
0:56 | |
| |
Number of Solutions |
5:55 | |
| |
| One Solution |
6:08 | |
| |
| No Solution |
6:24 | |
| |
| Infinite Solutions |
7:06 | |
| |
Example 1: Solve 3 Variables |
7:59 | |
| |
Example 2: Solve 3 Variables |
13:50 | |
| |
Example 3: Solve 3 Variables |
19:54 | |
| |
Example 4: Solve 3 Variables |
25:50 | |
Section 4: Matrices |
|
Basic Matrix Concepts |
11:34 |
| |
Intro |
0:00 | |
| |
What is a Matrix |
0:26 | |
| |
| Brackets |
0:46 | |
| |
| Designation |
1:21 | |
| |
| Element |
1:47 | |
| |
| Matrix Equations |
1:59 | |
| |
Dimensions |
2:27 | |
| |
| Rows (m) and Columns (n) |
2:37 | |
| |
| Examples: Dimensions |
2:43 | |
| |
Special Matrices |
4:22 | |
| |
| Row Matrix |
4:32 | |
| |
| Column Matrix |
5:00 | |
| |
| Zero Matrix |
6:00 | |
| |
Equal Matrices |
6:30 | |
| |
| Example: Corresponding Elements |
6:36 | |
| |
Example 1: Matrix Dimension |
8:12 | |
| |
Example 2: Matrix Dimension |
9:03 | |
| |
Example 3: Zero Matrix |
9:38 | |
| |
Example 4: Row and Column Matrix |
10:26 | |
|
Matrix Operations |
21:36 |
| |
Intro |
0:00 | |
| |
Matrix Addition |
0:18 | |
| |
| Same Dimensions |
0:25 | |
| |
| Example: Adding Matrices |
1:04 | |
| |
Matrix Subtraction |
3:42 | |
| |
| Same Dimensions |
3:48 | |
| |
| Example: Subtracting Matrices |
4:04 | |
| |
Scalar Multiplication |
6:08 | |
| |
| Scalar Constant |
6:24 | |
| |
| Example: Multiplying Matrices |
6:32 | |
| |
Properties of Matrix Operations |
8:23 | |
| |
| Commutative Property |
8:41 | |
| |
| Associative Property |
9:08 | |
| |
| Distributive Property |
9:44 | |
| |
Example 1: Matrix Addition |
10:24 | |
| |
Example 2: Matrix Subtraction |
11:58 | |
| |
Example 3: Scalar Multiplication |
14:23 | |
| |
Example 4: Matrix Properties |
16:09 | |
|
Matrix Multiplication |
29:36 |
| |
Intro |
0:00 | |
| |
Dimension Requirement |
0:17 | |
| |
| n = p |
0:24 | |
| |
| Resulting Product Matrix (m x q) |
1:21 | |
| |
| Example: Multiplication |
1:54 | |
| |
Matrix Multiplication |
3:38 | |
| |
| Example: Matrix Multiplication |
4:07 | |
| |
Properties of Matrix Multiplication |
10:46 | |
| |
| Associative Property |
11:00 | |
| |
| Associative Property (Scalar) |
11:28 | |
| |
| Distributive Property |
12:06 | |
| |
| Distributive Property (Scalar) |
12:30 | |
| |
Example 1: Possible Matrices |
13:31 | |
| |
Example 2: Multiplying Matrices |
17:08 | |
| |
Example 3: Multiplying Matrices |
20:41 | |
| |
Example 4: Matrix Properties |
24:41 | |
|
Determinants |
33:13 |
| |
Intro |
0:00 | |
| |
What is a Determinant |
0:13 | |
| |
| Square Matrices |
0:23 | |
| |
| Vertical Bars |
0:41 | |
| |
Determinant of a 2x2 Matrix |
1:21 | |
| |
| Second Order Determinant |
1:37 | |
| |
| Formula |
1:45 | |
| |
| Example: 2x2 Determinant |
1:58 | |
| |
Determinant of a 3x3 Matrix |
2:50 | |
| |
| Expansion by Minors |
3:08 | |
| |
| Third Order Determinant |
3:19 | |
| |
| Expanding Row One |
4:06 | |
| |
| Example: 3x3 Determinant |
6:40 | |
| |
Diagonal Method for 3x3 Matrices |
13:24 | |
| |
| Example: Diagonal Method |
13:36 | |
| |
Example 1: Determinant of 2x2 |
18:59 | |
| |
Example 2: Determinant of 3x3 |
20:03 | |
| |
Example 3: Determinant of 3x3 |
25:35 | |
| |
Example 4: Determinant of 3x3 |
29:22 | |
|
Cramer's Rule |
28:25 |
| |
Intro |
0:00 | |
| |
System of Two Equations in Two Variables |
0:16 | |
| |
| One Variable |
0:50 | |
| |
| Determinant of Denominator |
1:14 | |
| |
| Determinants of Numerators |
2:23 | |
| |
| Example: System of Equations |
3:34 | |
| |
System of Three Equations in Three Variables |
7:06 | |
| |
| Determinant of Denominator |
7:17 | |
| |
| Determinants of Numerators |
7:52 | |
| |
Example 1: Two Equations |
8:57 | |
| |
Example 2: Two Equations |
13:21 | |
| |
Example 3: Three Equations |
17:11 | |
| |
Example 4: Three Equations |
23:43 | |
|
Identity and Inverse Matrices |
22:25 |
| |
Intro |
0:00 | |
| |
Identity Matrix |
0:13 | |
| |
| Example: 2x2 Identity Matrix |
0:30 | |
| |
| Example: 4x4 Identity Matrix |
0:50 | |
| |
| Properties of Identity Matrices |
1:24 | |
| |
| Example: Multiplying Identity Matrix |
2:52 | |
| |
Matrix Inverses |
5:30 | |
| |
| Writing Matrix Inverse |
6:07 | |
| |
Inverse of a 2x2 Matrix |
6:39 | |
| |
| Example: 2x2 Matrix |
7:31 | |
| |
Example 1: Inverse Matrix |
10:18 | |
| |
Example 2: Find the Inverse Matrix |
13:04 | |
| |
Example 3: Find the Inverse Matrix |
17:53 | |
| |
Example 4: Find the Inverse Matrix |
20:44 | |
|
Solving Systems of Equations Using Matrices |
22:32 |
| |
Intro |
0:00 | |
| |
Matrix Equations |
0:11 | |
| |
| Example: System of Equations |
0:21 | |
| |
Solving Systems of Equations |
4:01 | |
| |
| Isolate x |
4:16 | |
| |
| Example: Using Numbers |
5:10 | |
| |
| Multiplicative Inverse |
5:54 | |
| |
Example 1: Write as Matrix Equation |
7:18 | |
| |
Example 2: Use Matrix Equations |
9:12 | |
| |
Example 3: Use Matrix Equations |
15:06 | |
| |
Example 4: Use Matrix Equations |
19:35 | |
Section 5: Quadratic Functions and Inequalities |
|
Graphing Quadratic Functions |
31:48 |
| |
Intro |
0:00 | |
| |
Quadratic Functions |
0:12 | |
| |
| A is Zero |
0:27 | |
| |
| Example: Parabola |
0:45 | |
| |
Properties of Parabolas |
2:08 | |
| |
| Axis of Symmetry |
2:11 | |
| |
| Vertex |
2:32 | |
| |
| Example: Parabola |
2:48 | |
| |
Minimum and Maximum Values |
9:02 | |
| |
| Positive or Negative |
9:28 | |
| |
| Upward or Downward |
9:58 | |
| |
| Example: Minimum |
10:31 | |
| |
| Example: Maximum |
11:16 | |
| |
Example 1: Axis of Symmetry, Vertex, Graph |
12:41 | |
| |
Example 2: Axis of Symmetry, Vertex, Graph |
17:25 | |
| |
Example 3: Minimum or Maximum |
21:47 | |
| |
Example 4: Minimum or Maximum |
27:09 | |
|
Solving Quadratic Equations by Graphing |
27:03 |
| |
Intro |
0:00 | |
| |
Quadratic Equations |
0:16 | |
| |
| Standard Form |
0:18 | |
| |
| Example: Quadratic Equation |
0:47 | |
| |
Solving by Graphing |
1:41 | |
| |
| Roots (x-Intercepts) |
1:48 | |
| |
| Example: Number of Solutions |
2:12 | |
| |
Estimating Solutions |
9:23 | |
| |
| Example: Integer Solutions |
9:30 | |
| |
| Example: Estimating |
9:53 | |
| |
Example 1: Solve by Graphing |
10:52 | |
| |
Example 2: Solve by Graphing |
15:10 | |
| |
Example 1: Solve by Graphing |
17:50 | |
| |
Example 1: Solve by Graphing |
20:54 | |
|
Solving Quadratic Equations by Factoring |
19:53 |
| |
Intro |
0:00 | |
| |
Factoring Techniques |
0:15 | |
| |
| Greatest Common Factor (GCF) |
0:37 | |
| |
| Difference of Two Squares |
1:48 | |
| |
| Perfect Square Trinomials |
2:30 | |
| |
| General Trinomials |
3:09 | |
| |
Zero Product Rule |
5:22 | |
| |
| Example: Zero Product |
5:53 | |
| |
Example 1: Solve by Factoring |
7:46 | |
| |
Example 1: Solve by Factoring |
9:48 | |
| |
Example 1: Solve by Factoring |
12:34 | |
| |
Example 1: Solve by Factoring |
15:28 | |
|
Imaginary and Complex Numbers |
35:45 |
| |
Intro |
0:00 | |
| |
Properties of Square Roots |
0:10 | |
| |
| Product Property |
0:26 | |
| |
| Example: Product Property |
0:56 | |
| |
| Quotient Property |
2:17 | |
| |
| Example: Quotient Property |
2:35 | |
| |
Imaginary Numbers |
3:12 | |
| |
| Imaginary 'i' |
3:51 | |
| |
| Examples: Imaginary Number |
4:22 | |
| |
Complex Numbers |
7:23 | |
| |
| Real Part and Imaginary Part |
7:33 | |
| |
| Examples: Complex Numbers |
7:57 | |
| |
Equality |
9:37 | |
| |
| Example: Equal Complex Numbers |
9:52 | |
| |
Addition and Subtraction |
10:12 | |
| |
| Examples: Adding Complex Numbers |
10:25 | |
| |
Complex Plane |
13:32 | |
| |
| Horizontal Axis (Real) |
13:49 | |
| |
| Vertical Axis (Imaginary) |
13:59 | |
| |
| Example: Labeling |
14:11 | |
| |
Multiplication |
15:57 | |
| |
| Example: FOIL Method |
16:03 | |
| |
Division |
18:37 | |
| |
| Complex Conjugates |
18:45 | |
| |
| Conjugate Pairs |
19:10 | |
| |
| Example: Dividing Complex Numbers |
20:00 | |
| |
Example 1: Simplify Complex Number |
24:50 | |
| |
Example 2: Simplify Complex Number |
27:56 | |
| |
Example 3: Multiply Complex Numbers |
29:27 | |
| |
Example 3: Dividing Complex Numbers |
31:48 | |
|
Completing the Square |
27:11 |
| |
Intro |
0:00 | |
| |
Square Root Property |
0:12 | |
| |
| Example: Perfect Square |
0:38 | |
| |
| Example: Perfect Square Trinomial |
3:00 | |
| |
Completing the Square |
4:39 | |
| |
| Constant Term |
4:50 | |
| |
| Example: Complete the Square |
5:04 | |
| |
Solve Equations |
6:42 | |
| |
| Add to Both Sides |
6:59 | |
| |
| Example: Complete the Square |
7:07 | |
| |
Equations Where 'a' Not Equal to 1 |
10:58 | |
| |
| Divide by Coefficient |
11:08 | |
| |
| Example: Complete the Square |
11:24 | |
| |
Complex Solutions |
14:05 | |
| |
| Real and Imaginary |
14:14 | |
| |
| Example: Complex Solution |
14:35 | |
| |
Example 1: Square Root Property |
18:31 | |
| |
Example 2: Complete the Square |
19:15 | |
| |
Example 3: Complete the Square |
20:40 | |
| |
Example 4: Complete the Square |
23:56 | |
|
Quadratic Formula and the Discriminant |
22:48 |
| |
Intro |
0:00 | |
| |
Quadratic Formula |
0:21 | |
| |
| Standard Form |
0:29 | |
| |
| Example: Quadratic Formula |
0:57 | |
| |
One Rational Root |
3:00 | |
| |
| Example: One Root |
3:31 | |
| |
Complex Solutions |
6:16 | |
| |
| Complex Conjugate |
6:28 | |
| |
| Example: Complex Solution |
7:15 | |
| |
Discriminant |
9:42 | |
| |
| Positive Discriminant |
10:03 | |
| |
| Perfect Square (Rational) |
10:51 | |
| |
| Not Perfect Square (2 Irrational) |
11:27 | |
| |
| Negative Discriminant |
12:28 | |
| |
| Zero Discriminant |
12:57 | |
| |
Example 1: Quadratic Formula |
13:50 | |
| |
Example 2: Quadratic Formula |
16:03 | |
| |
Example 3: Quadratic Formula |
19:00 | |
| |
Example 4: Discriminant |
21:33 | |
|
Analyzing the Graphs of Quadratic Functions |
30:07 |
| |
Intro |
0:00 | |
| |
Vertex Form |
0:12 | |
| |
| H and K |
0:32 | |
| |
| Axis of Symmetry |
0:36 | |
| |
| Vertex |
0:42 | |
| |
| Example: Origin |
1:00 | |
| |
| Example: k = 2 |
2:12 | |
| |
| Example: h = 1 |
4:27 | |
| |
Significance of Coefficient 'a' |
7:13 | |
| |
| Example: |a| > 1 |
7:25 | |
| |
| Example: |a| < 1 |
8:18 | |
| |
| Example: |a| > 0 |
8:51 | |
| |
| Example: |a| < 0 |
9:05 | |
| |
Writing Quadratic Equations in Vertex Form |
10:22 | |
| |
| Standard Form to Vertex Form |
10:35 | |
| |
| Example: Standard Form |
11:02 | |
| |
| Example: 'a' Term Not 1 |
14:42 | |
| |
Example 1: Vertex Form |
19:47 | |
| |
Example 2: Vertex Form |
22:09 | |
| |
Example 3: Vertex Form |
24:32 | |
| |
Example 4: Vertex Form |
28:23 | |
|
Graphing and Solving Quadratic Inequalities |
27:05 |
| |
Intro |
0:00 | |
| |
Graphing Quadratic Inequalities |
0:11 | |
| |
| Test Point |
0:18 | |
| |
| Example: Quadratic Inequality |
0:29 | |
| |
Solving Quadratic Inequalities |
3:57 | |
| |
| Example: Parameter |
4:24 | |
| |
Example 1: Graph Inequality |
11:16 | |
| |
Example 2: Solve Inequality |
14:27 | |
| |
Example 3: Graph Inequality |
19:14 | |
| |
Example 4: Solve Inequality |
23:48 | |
Section 6: Polynomial Functions |
|
Properties of Exponents |
19:29 |
| |
Intro |
0:00 | |
| |
Simplifying Exponential Expressions |
0:09 | |
| |
| Monomial Simplest Form |
0:19 | |
| |
Negative Exponents |
1:07 | |
| |
| Examples: Simple |
1:34 | |
| |
Properties of Exponents |
3:06 | |
| |
| Negative Exponents |
3:13 | |
| |
| Multiplying Same Base |
3:24 | |
| |
| Dividing Same Base |
3:45 | |
| |
| Raising Power to a Power |
4:33 | |
| |
| Parentheses (Multiplying) |
5:11 | |
| |
| Parentheses (Dividing) |
5:47 | |
| |
| Raising to 0th Power |
6:15 | |
| |
Example 1: Simplify Exponents |
7:59 | |
| |
Example 2: Simplify Exponents |
10:41 | |
| |
Example 3: Simplify Exponents |
14:11 | |
| |
Example 4: Simplify Exponents |
18:04 | |
|
Operations on Polynomials |
13:27 |
| |
Intro |
0:00 | |
| |
Adding and Subtracting Polynomials |
0:13 | |
| |
| Like Terms and Like Monomials |
0:23 | |
| |
| Examples: Adding Monomials |
1:14 | |
| |
Multiplying Polynomials |
3:40 | |
| |
| Distributive Property |
3:44 | |
| |
| Example: Monomial by Polynomial |
4:06 | |
| |
Example 1: Simplify Polynomials |
5:47 | |
| |
Example 2: Simplify Polynomials |
6:28 | |
| |
Example 3: Simplify Polynomials |
8:38 | |
| |
Example 4: Simplify Polynomials |
10:47 | |
|
Dividing Polynomials |
31:11 |
| |
Intro |
0:00 | |
| |
Dividing by a Monomial |
0:13 | |
| |
| Example: Numbers |
0:26 | |
| |
| Example: Polynomial by a Monomial |
1:18 | |
| |
Long Division |
2:28 | |
| |
| Remainder Term |
2:41 | |
| |
| Example: Dividing with Numbers |
3:04 | |
| |
| Example: With Polynomials |
5:01 | |
| |
| Example: Missing Terms |
7:58 | |
| |
Synthetic Division |
11:44 | |
| |
| Restriction |
12:04 | |
| |
| Example: Divisor in Form |
12:20 | |
| |
Divisor in Synthetic Division |
15:54 | |
| |
| Example: Coefficient to 1 |
16:07 | |
| |
Example 1: Divide Polynomials |
17:10 | |
| |
Example 2: Divide Polynomials |
19:08 | |
| |
Example 3: Synthetic Division |
21:42 | |
| |
Example 4: Synthetic Division |
25:09 | |
|
Polynomial Functions |
22:30 |
| |
Intro |
0:00 | |
| |
Polynomial in One Variable |
0:13 | |
| |
| Leading Coefficient |
0:27 | |
| |
| Example: Polynomial |
1:18 | |
| |
| Degree |
1:31 | |
| |
Polynomial Functions |
2:57 | |
| |
| Example: Function |
3:13 | |
| |
Function Values |
3:33 | |
| |
| Example: Numerical Values |
3:53 | |
| |
| Example: Algebraic Expressions |
5:11 | |
| |
Zeros of Polynomial Functions |
5:50 | |
| |
| Odd Degree |
6:04 | |
| |
| Even Degree |
7:29 | |
| |
End Behavior |
8:28 | |
| |
| Even Degrees |
9:09 | |
| |
| Example: Leading Coefficient +/- |
9:23 | |
| |
| Odd Degrees |
12:51 | |
| |
| Example: Leading Coefficient +/- |
13:00 | |
| |
Example 1: Degree and Leading Coefficient |
15:03 | |
| |
Example 2: Polynomial Function |
15:56 | |
| |
Example 3: Polynomial Function |
17:34 | |
| |
Example 4: End Behavior |
19:53 | |
|
Analyzing Graphs of Polynomial Functions |
33:29 |
| |
Intro |
0:00 | |
| |
Graphing Polynomial Functions |
0:11 | |
| |
| Example: Table and End Behavior |
0:39 | |
| |
Location Principle |
4:43 | |
| |
| Zero Between Two Points |
5:03 | |
| |
| Example: Location Principle |
5:21 | |
| |
Maximum and Minimum Points |
8:40 | |
| |
| Relative Maximum and Relative Minimum |
9:16 | |
| |
| Example: Number of Relative Max/Min |
11:11 | |
| |
Example 1: Graph Polynomial Function |
11:57 | |
| |
Example 2: Graph Polynomial Function |
16:19 | |
| |
Example 3: Graph Polynomial Function |
23:27 | |
| |
Example 4: Graph Polynomial Function |
28:35 | |
|
Solving Polynomial Functions |
21:10 |
| |
Intro |
0:00 | |
| |
Factoring Polynomials |
0:06 | |
| |
| Greatest Common Factor (GCF) |
0:25 | |
| |
| Difference of Two Squares |
1:14 | |
| |
| Perfect Square Trinomials |
2:07 | |
| |
| General Trinomials |
2:57 | |
| |
| Grouping |
4:32 | |
| |
Sum and Difference of Two Cubes |
6:03 | |
| |
| Examples: Two Cubes |
6:14 | |
| |
Quadratic Form |
8:22 | |
| |
| Example: Quadratic Form |
8:44 | |
| |
Example 1: Factor Polynomial |
12:03 | |
| |
Example 2: Factor Polynomial |
13:54 | |
| |
Example 3: Quadratic Form |
15:33 | |
| |
Example 4: Solve Polynomial Function |
17:24 | |
|
Remainder and Factor Theorems |
31:21 |
| |
Intro |
0:00 | |
| |
Remainder Theorem |
0:07 | |
| |
| Checking Work |
0:22 | |
| |
| Dividend and Divisor in Theorem |
1:12 | |
| |
| Example: f(a) |
2:05 | |
| |
Synthetic Substitution |
5:43 | |
| |
| Example: Polynomial Function |
6:15 | |
| |
Factor Theorem |
9:54 | |
| |
| Example: Numbers |
10:16 | |
| |
| Example: Confirm Factor |
11:27 | |
| |
Factoring Polynomials |
14:48 | |
| |
| Example: 3rd Degree Polynomial |
15:07 | |
| |
Example 1: Remainder Theorem |
19:17 | |
| |
Example 2: Other Factors |
21:57 | |
| |
Example 3: Remainder Theorem |
25:52 | |
| |
Example 4: Other Factors |
28:21 | |
|
Roots and Zeros |
31:27 |
| |
Intro |
0:00 | |
| |
Number of Roots |
0:08 | |
| |
| Not Nature of Roots |
0:18 | |
| |
| Example: Real and Complex Roots |
0:25 | |
| |
Descartes' Rule of Signs |
2:05 | |
| |
| Positive Real Roots |
2:21 | |
| |
| Example: Positive |
2:39 | |
| |
| Negative Real Roots |
5:44 | |
| |
| Example: Negative |
6:06 | |
| |
Finding the Roots |
9:59 | |
| |
| Example: Combination of Real and Complex |
10:07 | |
| |
Conjugate Roots |
13:18 | |
| |
| Example: Conjugate Roots |
13:50 | |
| |
Example 1: Solve Polynomial |
16:03 | |
| |
Example 2: Solve Polynomial |
18:36 | |
| |
Example 3: Possible Combinations |
23:13 | |
| |
Example 4: Possible Combinations |
27:11 | |
|
Rational Zero Theorem |
31:16 |
| |
Intro |
0:00 | |
| |
Equation |
0:08 | |
| |
| List of Possibilities |
0:16 | |
| |
| Equation with Constant and Leading Coefficient |
1:04 | |
| |
| Example: Rational Zero |
2:46 | |
| |
Leading Coefficient Equal to One |
7:19 | |
| |
| Equation with Leading Coefficient of One |
7:34 | |
| |
| Example: Coefficient Equal to 1 |
8:45 | |
| |
Finding Rational Zeros |
12:58 | |
| |
| Division with Remainder Zero |
13:32 | |
| |
Example 1: Possible Rational Zeros |
14:20 | |
| |
Example 2: Possible Rational Zeros |
16:02 | |
| |
Example 3: Possible Rational Zeros |
19:58 | |
| |
Example 4: Find All Zeros |
22:06 | |
Section 7: Radical Expressions and Inequalities |
|
Operations on Functions |
34:30 |
| |
Intro |
0:00 | |
| |
Arithmetic Operations |
0:07 | |
| |
| Domain |
0:16 | |
| |
| Intersection |
0:24 | |
| |
| Denominator is Zero |
0:49 | |
| |
| Example: Operations |
1:02 | |
| |
Composition of Functions |
7:18 | |
| |
| Notation |
7:48 | |
| |
| Right to Left |
8:18 | |
| |
| Example: Composition |
8:48 | |
| |
Composition is Not Commutative |
17:23 | |
| |
| Example: Not Commutative |
17:51 | |
| |
Example 1: Function Operations |
20:55 | |
| |
Example 2: Function Operations |
24:34 | |
| |
Example 3: Compositions |
27:51 | |
| |
Example 4: Function Operations |
31:09 | |
|
Inverse Functions and Relations |
22:42 |
| |
Intro |
0:00 | |
| |
Inverse of a Relation |
0:14 | |
| |
| Example: Ordered Pairs |
0:56 | |
| |
Inverse of a Function |
3:24 | |
| |
| Domain and Range Switched |
3:52 | |
| |
| Example: Inverse |
4:28 | |
| |
Procedure to Construct an Inverse Function |
6:42 | |
| |
| f(x) to y |
6:42 | |
| |
| Interchange x and y |
6:59 | |
| |
| Solve for y |
7:06 | |
| |
| Write Inverse f(x) for y |
7:14 | |
| |
| Example: Inverse Function |
7:25 | |
| |
| Example: Inverse Function 2 |
8:48 | |
| |
Inverses and Compositions |
10:44 | |
| |
| Example: Inverse Composition |
11:46 | |
| |
Example 1: Inverse Relation |
14:49 | |
| |
Example 2: Inverse of Function |
15:40 | |
| |
Example 3: Inverse of Function |
17:06 | |
| |
Example 4: Inverse Functions |
18:55 | |
|
Square Root Functions and Inequalities |
30:04 |
| |
Intro |
0:00 | |
| |
Square Root Functions |
0:07 | |
| |
| Examples: Square Root Function |
0:16 | |
| |
| Example: Not Square Root Function |
0:46 | |
| |
| Radicand |
1:12 | |
| |
| Example: Restriction |
1:31 | |
| |
Graphing Square Root Functions |
3:42 | |
| |
| Example: Graphing |
3:49 | |
| |
Square Root Inequalities |
8:47 | |
| |
| Same Technique |
9:00 | |
| |
| Example: Square Root Inequality |
9:20 | |
| |
Example 1: Graph Square Root Function |
15:19 | |
| |
Example 2: Graph Square Root Function |
18:03 | |
| |
Example 3: Graph Square Root Function |
22:41 | |
| |
Example 4: Square Root Inequalities |
25:37 | |
|
nth Roots |
20:46 |
| |
Intro |
0:00 | |
| |
Definition of the nth Root |
0:07 | |
| |
| Example: 5th Root |
0:20 | |
| |
| Example: 6th Root |
0:51 | |
| |
Principal nth Root |
1:39 | |
| |
| Example: Principal Roots |
2:06 | |
| |
Using Absolute Values |
5:58 | |
| |
| Example: Square Root |
6:18 | |
| |
| Example: 6th Root |
8:40 | |
| |
| Example: Negative |
10:15 | |
| |
Example 1: Simplify Radicals |
12:23 | |
| |
Example 2: Simplify Radicals |
13:29 | |
| |
Example 3: Simplify Radicals |
16:07 | |
| |
Example 4: Simplify Radicals |
18:18 | |
|
Operations with Radical Expressions |
41:11 |
| |
Intro |
0:00 | |
| |
Properties of Radicals |
0:16 | |
| |
| Quotient Property |
0:29 | |
| |
| Example: Quotient |
1:00 | |
| |
| Example: Product Property |
1:47 | |
| |
Simplifying Radical Expressions |
3:24 | |
| |
| Radicand No nth Powers |
3:47 | |
| |
| Radicand No Fractions |
6:33 | |
| |
| No Radicals in Denominator |
7:16 | |
| |
Rationalizing Denominators |
8:27 | |
| |
| Example: Radicand nth Power |
9:05 | |
| |
Conjugate Radical Expressions |
11:47 | |
| |
| Conjugates |
12:07 | |
| |
| Example: Conjugate Radical Expression |
13:11 | |
| |
Adding and Subtracting Radicals |
16:12 | |
| |
| Same Index, Same Radicand |
16:20 | |
| |
| Example: Like Radicals |
16:28 | |
| |
Multiplying Radicals |
19:04 | |
| |
| Distributive Property |
19:10 | |
| |
| Example: Multiplying Radicals |
19:20 | |
| |
Example 1: Simplify Radical |
24:11 | |
| |
Example 2: Simplify Radicals |
28:43 | |
| |
Example 3: Simplify Radicals |
32:00 | |
| |
Example 4: Simplify Radical |
36:34 | |
|
Rational Exponents |
30:45 |
| |
Intro |
0:00 | |
| |
Definition 1 |
0:20 | |
| |
| Example: Using Numbers |
0:39 | |
| |
| Example: Non-Negative |
2:46 | |
| |
| Example: Odd |
3:34 | |
| |
Definition 2 |
4:32 | |
| |
| Restriction |
4:52 | |
| |
| Example: Relate to Definition 1 |
5:04 | |
| |
| Example: m Not 1 |
5:31 | |
| |
Simplifying Expressions |
7:53 | |
| |
| Multiplication |
8:31 | |
| |
| Division |
9:29 | |
| |
| Multiply Exponents |
10:08 | |
| |
| Raised Power |
11:05 | |
| |
| Zero Power |
11:29 | |
| |
| Negative Power |
11:49 | |
| |
Simplified Form |
13:52 | |
| |
| Complex Fraction |
14:16 | |
| |
| Negative Exponents |
14:40 | |
| |
| Example: More Complicated |
15:14 | |
| |
Example 1: Write as Radical |
19:03 | |
| |
Example 2: Write with Rational Exponents |
20:40 | |
| |
Example 3: Complex Fraction |
22:09 | |
| |
Example 4: Complex Fraction |
26:22 | |
|
Solving Radical Equations and Inequalities |
31:27 |
| |
Intro |
0:00 | |
| |
Radical Equations |
0:11 | |
| |
| Variables in Radicands |
0:22 | |
| |
| Example: Radical Equation |
1:06 | |
| |
| Example: Complex Equation |
2:42 | |
| |
Extraneous Roots |
7:21 | |
| |
| Squaring Technique |
7:35 | |
| |
| Double Check |
7:44 | |
| |
| Example: Extraneous |
8:21 | |
| |
Eliminating nth Roots |
10:04 | |
| |
| Isolate and Raise Power |
10:14 | |
| |
| Example: nth Root |
10:27 | |
| |
Radical Inequalities |
11:27 | |
| |
| Restriction: Index is Even |
11:53 | |
| |
| Example: Radical Inequality |
12:29 | |
| |
Example 1: Solve Radical Equation |
15:41 | |
| |
Example 2: Solve Radical Equation |
17:44 | |
| |
Example 3: Solve Radical Inequality |
20:24 | |
| |
Example 4: Solve Radical Equation |
24:34 | |
Section 8: Rational Equations and Inequalities |
|
Multiplying and Dividing Rational Expressions |
40:54 |
| |
Intro |
0:00 | |
| |
Simplifying Rational Expressions |
0:22 | |
| |
| Algebraic Fraction |
0:29 | |
| |
| Examples: Rational Expressions |
0:49 | |
| |
| Example: GCF |
1:33 | |
| |
| Example: Simplify Rational Expression |
2:26 | |
| |
Factoring -1 |
4:04 | |
| |
| Example: Simplify with -1 |
4:19 | |
| |
Multiplying and Dividing Rational Expressions |
6:59 | |
| |
| Multiplying and Dividing |
7:28 | |
| |
| Example: Multiplying Rational Expressions |
8:36 | |
| |
| Example: Dividing Rational Expressions |
11:20 | |
| |
Factoring |
14:01 | |
| |
| Factoring Polynomials |
14:19 | |
| |
| Example: Factoring |
14:35 | |
| |
Complex Fractions |
18:22 | |
| |
| Example: Numbers |
18:37 | |
| |
| Example: Algebraic Complex Fractions |
19:25 | |
| |
Example 1: Simplify Rational Expression |
25:56 | |
| |
Example 2: Simplify Rational Expression |
29:34 | |
| |
Example 3: Simplify Rational Expression |
31:39 | |
| |
Example 4: Simplify Rational Expression |
37:50 | |
|
Adding and Subtracting Rational Expressions |
55:04 |
| |
Intro |
0:00 | |
| |
Least Common Multiple (LCM) |
0:27 | |
| |
| Examples: LCM of Numbers |
0:43 | |
| |
| Example: LCM of Polynomials |
4:02 | |
| |
Adding and Subtracting |
7:55 | |
| |
| Least Common Denominator (LCD) |
8:07 | |
| |
| Example: Numbers |
8:17 | |
| |
| Example: Rational Expressions |
11:03 | |
| |
| Equivalent Fractions |
15:22 | |
| |
Simplifying Complex Fractions |
21:19 | |
| |
| Example: Previous Lessons |
21:36 | |
| |
| Example: More Complex |
22:53 | |
| |
Example 1: Find LCM |
28:30 | |
| |
Example 2: Add Rational Expressions |
31:44 | |
| |
Example 3: Subtract Rational Expressions |
39:18 | |
| |
Example 4: Simplify Rational Expression |
38:26 | |
|
Graphing Rational Functions |
57:13 |
| |
Intro |
0:00 | |
| |
Rational Functions |
0:18 | |
| |
| Restriction |
0:34 | |
| |
| Example: Rational Function |
0:51 | |
| |
Breaks in Continuity |
2:52 | |
| |
| Example: Continuous Function |
3:10 | |
| |
| Discontinuities |
3:30 | |
| |
| Example: Excluded Values |
4:37 | |
| |
Graphs and Discontinuities |
5:02 | |
| |
| Common Binomial Factor (Hole) |
5:08 | |
| |
| Example: Common Factor |
5:31 | |
| |
| Asymptote |
10:06 | |
| |
| Example: Vertical Asymptote |
11:08 | |
| |
Horizontal Asymptotes |
20:00 | |
| |
| Example: Horizontal Asymptote |
20:25 | |
| |
Example 1: Holes and Vertical Asymptotes |
26:12 | |
| |
Example 2: Graph Rational Faction |
28:35 | |
| |
Example 3: Graph Rational Faction |
39:23 | |
| |
Example 4: Graph Rational Faction |
47:28 | |
|
Direct, Joint, and Inverse Variation |
20:21 |
| |
Intro |
0:00 | |
| |
Direct Variation |
0:07 | |
| |
| Constant of Variation |
0:25 | |
| |
Graph of Constant Variation |
1:26 | |
| |
| Slope is Constant k |
1:35 | |
| |
| Example: Straight Lines |
1:41 | |
| |
Joint Variation |
2:48 | |
| |
| Three Variables |
2:52 | |
| |
Inverse Variation |
3:38 | |
| |
| Rewritten Form |
3:52 | |
| |
| Examples in Biology |
4:22 | |
| |
Graph of Inverse Variation |
4:51 | |
| |
| Asymptotes are Axes |
5:12 | |
| |
| Example: Inverse Variation |
5:40 | |
| |
Proportions |
10:11 | |
| |
| Direct Variation |
10:25 | |
| |
| Inverse Variation |
11:32 | |
| |
Example 1: Type of Variation |
12:42 | |
| |
Example 2: Direct Variation |
14:13 | |
| |
Example 3: Joint Variation |
16:24 | |
| |
Example 4: Graph Rational Faction |
18:50 | |
|
Solving Rational Equations and Inequalities |
55:14 |
| |
Intro |
0:00 | |
| |
Rational Equations |
0:15 | |
| |
| Example: Algebraic Fraction |
0:26 | |
| |
| Least Common Denominator |
0:49 | |
| |
| Example: Simple Rational Equation |
1:22 | |
| |
| Example: Solve Rational Equation |
5:40 | |
| |
Extraneous Solutions |
9:31 | |
| |
| Double check |
10:00 | |
| |
| No Solution |
10:38 | |
| |
| Example: Extraneous |
10:44 | |
| |
Rational Inequalities |
14:01 | |
| |
| Excluded Values |
14:31 | |
| |
| Solve Related Equation |
14:49 | |
| |
| Find Intervals |
14:58 | |
| |
| Use Test Values |
15:25 | |
| |
| Example: Rational Inequality |
15:51 | |
| |
| Example: Rational Inequality 2 |
17:07 | |
| |
Example 1: Rational Equation |
28:50 | |
| |
Example 2: Rational Equation |
33:51 | |
| |
Example 3: Rational Equation |
38:19 | |
| |
Example 4: Rational Inequality |
46:49 | |
Section 9: Exponential and Logarithmic Relations |
|
Exponential Functions |
35:58 |
| |
Intro |
0:00 | |
| |
What is an Exponential Function? |
0:12 | |
| |
| Restriction on b |
0:31 | |
| |
| Base |
0:46 | |
| |
| Example: Exponents as Bases |
0:56 | |
| |
| Variables as Exponents |
1:12 | |
| |
| Example: Exponential Function |
1:50 | |
| |
Graphing Exponential Functions |
2:33 | |
| |
| Example: Using Table |
2:49 | |
| |
Properties |
11:52 | |
| |
| Continuous and One to One |
12:00 | |
| |
| Domain is All Real Numbers |
13:14 | |
| |
| X-Axis Asymptote |
13:55 | |
| |
| Y-Intercept |
14:02 | |
| |
| Reflection Across Y-Axis |
14:31 | |
| |
Growth and Decay |
15:06 | |
| |
| Exponential Growth |
15:10 | |
| |
| Real Life Examples |
15:41 | |
| |
| Example: Growth |
15:52 | |
| |
| Example: Decay |
16:12 | |
| |
| Real Life Examples |
16:30 | |
| |
Equations |
17:32 | |
| |
| Bases are Same |
18:05 | |
| |
| Examples: Variables as Exponents |
18:20 | |
| |
Inequalities |
21:29 | |
| |
| Property |
21:51 | |
| |
| Example: Inequality |
22:37 | |
| |
Example 1: Graph Exponential Function |
24:05 | |
| |
Example 2: Growth or Decay |
27:50 | |
| |
Example 3: Exponential Equation |
29:31 | |
| |
Example 4: Exponential Inequality |
32:54 | |
|
Logarithms and Logarithmic Functions |
45:54 |
| |
Intro |
0:00 | |
| |
What are Logarithms? |
0:08 | |
| |
| Restrictions |
0:15 | |
| |
| Written Form |
0:26 | |
| |
| Logarithms are Exponents |
0:52 | |
| |
| Example: Logarithms |
1:49 | |
| |
Logarithmic Functions |
5:14 | |
| |
| Same Restrictions |
5:30 | |
| |
| Inverses |
5:53 | |
| |
| Example: Logarithmic Function |
6:24 | |
| |
Graph of the Logarithmic Function |
9:20 | |
| |
| Example: Using Table |
9:35 | |
| |
Properties |
15:09 | |
| |
| Continuous and One to One |
15:14 | |
| |
| Domain |
15:36 | |
| |
| Range |
15:56 | |
| |
| Y-Axis is Asymptote |
16:02 | |
| |
| X Intercept |
16:12 | |
| |
Inverse Property |
16:57 | |
| |
| Compositions of Functions |
17:10 | |
| |
Equations |
18:30 | |
| |
| Example: Logarithmic Equation |
19:13 | |
| |
Inequalities |
20:36 | |
| |
| Properties |
20:47 | |
| |
| Example: Logarithmic Inequality |
21:40 | |
| |
Equations with Logarithms on Both Sides |
24:43 | |
| |
| Property |
24:51 | |
| |
| Example: Both Sides |
25:23 | |
| |
Inequalities with Logarithms on Both Sides |
26:52 | |
| |
| Property |
27:02 | |
| |
| Example: Both Sides |
28:05 | |
| |
Example 1: Solve Log Equation |
31:52 | |
| |
Example 2: Solve Log Equation |
33:53 | |
| |
Example 3: Solve Log Equation |
36:15 | |
| |
Example 4: Solve Log Inequality |
39:19 | |
|
Properties of Logarithms |
28:43 |
| |
Intro |
0:00 | |
| |
Product Property |
0:08 | |
| |
| Example: Product |
0:46 | |
| |
Quotient Property |
2:40 | |
| |
| Example: Quotient |
2:59 | |
| |
Power Property |
3:51 | |
| |
| Moved Exponent |
4:07 | |
| |
| Example: Power |
4:37 | |
| |
Equations |
5:15 | |
| |
| Example: Use Properties |
5:58 | |
| |
Example 1: Simplify Log |
11:17 | |
| |
Example 2: Single Log |
15:54 | |
| |
Example 3: Solve Log Equation |
18:48 | |
| |
Example 4: Solve Log Equation |
22:13 | |
|
Common Logarithms |
25:23 |
| |
Intro |
0:00 | |
| |
What are Common Logarithms? |
0:10 | |
| |
| Real World Applications |
0:16 | |
| |
| Base Not Written |
0:27 | |
| |
| Example: Base 10 |
0:39 | |
| |
Equations |
1:47 | |
| |
| Example: Same Base |
1:56 | |
| |
| Example: Different Base |
2:37 | |
| |
Inequalities |
6:07 | |
| |
| Multiplying/Dividing Inequality |
6:21 | |
| |
| Example: Log Inequality |
6:54 | |
| |
Change of Base |
12:45 | |
| |
| Base 10 |
13:24 | |
| |
| Example: Change of Base |
14:05 | |
| |
Example 1: Log Equation |
15:21 | |
| |
Example 2: Common Logs |
17:13 | |
| |
Example 3: Log Equation |
18:22 | |
| |
Example 4: Log Inequality |
21:52 | |
|
Base e and Natural Logarithms |
21:14 |
| |
Intro |
0:00 | |
| |
Number e |
0:09 | |
| |
| Natural Base |
0:21 | |
| |
| Growth/Decay |
0:33 | |
| |
| Example: Exponential Function |
0:53 | |
| |
Natural Logarithms |
1:11 | |
| |
| ln x |
1:19 | |
| |
| Inverse and Identity Function |
1:39 | |
| |
| Example: Inverse Composition |
1:55 | |
| |
Equations and Inequalities |
4:39 | |
| |
| Extraneous Solutions |
5:30 | |
| |
| Examples: Natural Log Equations |
5:48 | |
| |
Example 1: Natural Log Equation |
9:08 | |
| |
Example 2: Natural Log Equation |
10:37 | |
| |
Example 3: Natural Log Inequality |
16:54 | |
| |
Example 4: Natural Log Inequality |
18:16 | |
|
Exponential Growth and Decay |
24:30 |
| |
Intro |
0:00 | |
| |
Decay |
0:17 | |
| |
| Decreases by Fixed Percentage |
0:23 | |
| |
| Rate of Decay |
0:56 | |
| |
| Example: Finance |
1:34 | |
| |
Scientific Model of Decay |
3:37 | |
| |
| Exponential Decay |
3:45 | |
| |
| Radioactive Decay |
4:13 | |
| |
| Example: Half Life |
5:33 | |
| |
Growth |
9:06 | |
| |
| Increases by Fixed Percentage |
9:18 | |
| |
| Example: Finance |
10:09 | |
| |
Scientific Model of Growth |
11:35 | |
| |
| Population Growth |
12:04 | |
| |
| Example: Growth |
12:20 | |
| |
Example 1: Computer Price |
14:00 | |
| |
Example 2: Stock Price |
15:46 | |
| |
Example 3: Medicine Disintegration |
19:10 | |
| |
Example 4: Population Growth |
22:33 | |
Section 10: Conic Sections |
|
Midpoint and Distance Formulas |
32:42 |
| |
Intro |
0:00 | |
| |
Midpoint Formula |
0:15 | |
| |
| Example: Midpoint |
0:30 | |
| |
Distance Formula |
2:30 | |
| |
| Example: Distance |
2:52 | |
| |
Example 1: Midpoint and Distance |
4:58 | |
| |
Example 2: Midpoint and Distance |
8:07 | |
| |
Example 3: Median Length |
18:51 | |
| |
Example 4: Perimeter and Area |
23:36 | |
|
Parabolas |
41:27 |
| |
Intro |
0:00 | |
| |
What is a Parabola? |
0:20 | |
| |
| Definition of a Parabola |
0:29 | |
| |
| Focus |
0:59 | |
| |
| Directrix |
1:15 | |
| |
| Axis of Symmetry |
3:08 | |
| |
Vertex |
3:33 | |
| |
| Minimum or Maximum |
3:44 | |
| |
Standard Form |
4:59 | |
| |
| Horizontal Parabolas |
5:08 | |
| |
| Vertex Form |
5:19 | |
| |
| Upward or Downward |
5:41 | |
| |
| Example: Standard Form |
6:06 | |
| |
Graphing Parabolas |
8:31 | |
| |
| Shifting |
8:51 | |
| |
| Example: Completing the Square |
9:22 | |
| |
| Symmetry and Translation |
12:18 | |
| |
| Example: Graph Parabola |
12:40 | |
| |
Latus Rectum |
17:13 | |
| |
| Length |
18:15 | |
| |
| Example: Latus Rectum |
18:35 | |
| |
Horizontal Parabolas |
18:57 | |
| |
| Not Functions |
20:08 | |
| |
| Example: Horizontal Parabola |
21:21 | |
| |
Focus and Directrix |
24:11 | |
| |
| Horizontal |
24:48 | |
| |
Example 1: Parabola Standard Form |
25:12 | |
| |
Example 2: Graph Parabola |
30:00 | |
| |
Example 3: Graph Parabola |
33:13 | |
| |
Example 4: Parabola Equation |
37:28 | |
|
Circles |
21:03 |
| |
Intro |
0:00 | |
| |
What are Circles? |
0:08 | |
| |
| Example: Equidistant |
0:17 | |
| |
| Radius |
0:32 | |
| |
Equation of a Circle |
0:44 | |
| |
| Example: Standard Form |
1:11 | |
| |
Graphing Circles |
1:47 | |
| |
| Example: Circle |
1:56 | |
| |
Center Not at Origin |
3:07 | |
| |
| Example: Completing the Square |
3:51 | |
| |
Example 1: Equation of Circle |
6:44 | |
| |
Example 2: Center and Radius |
11:51 | |
| |
Example 3: Radius |
15:08 | |
| |
Example 4: Equation of Circle |
16:57 | |
|
Ellipses |
46:51 |
| |
Intro |
0:00 | |
| |
What Are Ellipses? |
0:11 | |
| |
| Foci |
0:23 | |
| |
Properties of Ellipses |
1:43 | |
| |
| Major Axis, Minor Axis |
1:47 | |
| |
| Center |
1:54 | |
| |
| Length of Major Axis and Minor Axis |
3:21 | |
| |
Standard Form |
5:33 | |
| |
| Example: Standard Form of Ellipse |
6:09 | |
| |
Vertical Major Axis |
9:14 | |
| |
| Example: Vertical Major Axis |
9:46 | |
| |
Graphing Ellipses |
12:51 | |
| |
| Complete the Square and Symmetry |
13:00 | |
| |
| Example: Graphing Ellipse |
13:16 | |
| |
Equation with Center at (h, k) |
19:57 | |
| |
| Horizontal and Vertical |
20:14 | |
| |
| Difference |
20:27 | |
| |
| Example: Center at (h, k) |
20:55 | |
| |
Example 1: Equation of Ellipse |
24:05 | |
| |
Example 2: Equation of Ellipse |
27:57 | |
| |
Example 3: Equation of Ellipse |
32:32 | |
| |
Example 4: Graph Ellipse |
38:27 | |
|
Hyperbolas |
38:15 |
| |
Intro |
0:00 | |
| |
What are Hyperbolas? |
0:12 | |
| |
| Two Branches |
0:18 | |
| |
| Foci |
0:38 | |
| |
Properties |
2:00 | |
| |
| Transverse Axis and Conjugate Axis |
2:06 | |
| |
| Vertices |
2:46 | |
| |
| Length of Transverse Axis |
3:14 | |
| |
| Distance Between Foci |
3:31 | |
| |
| Length of Conjugate Axis |
3:38 | |
| |
Standard Form |
5:45 | |
| |
| Vertex Location |
6:36 | |
| |
| Known Points |
6:52 | |
| |
Vertical Transverse Axis |
7:26 | |
| |
| Vertex Location |
7:50 | |
| |
Asymptotes |
8:36 | |
| |
| Vertex Location |
8:56 | |
| |
| Rectangle |
9:28 | |
| |
| Diagonals |
10:29 | |
| |
Graphing Hyperbolas |
12:58 | |
| |
| Example: Hyperbola |
13:16 | |
| |
Equation with Center at (h, k) |
16:32 | |
| |
| Example: Center at (h, k) |
17:21 | |
| |
Example 1: Equation of Hyperbola |
19:20 | |
| |
Example 2: Equation of Hyperbola |
22:48 | |
| |
Example 3: Graph Hyperbola |
26:05 | |
| |
Example 4: Equation of Hyperbola |
36:29 | |
|
Conic Sections |
18:43 |
| |
Intro |
0:00 | |
| |
Conic Sections |
0:16 | |
| |
| Double Cone Sections |
0:24 | |
| |
Standard Form |
1:27 | |
| |
| General Form |
1:37 | |
| |
Identify Conic Sections |
2:16 | |
| |
| B = 0 |
2:50 | |
| |
| X and Y |
3:22 | |
| |
Identify Conic Sections, Cont. |
4:46 | |
| |
| Parabola |
5:17 | |
| |
| Circle |
5:51 | |
| |
| Ellipse |
6:31 | |
| |
| Hyperbola |
7:10 | |
| |
Example 1: Identify Conic Section |
8:01 | |
| |
Example 2: Identify Conic Section |
11:03 | |
| |
Example 3: Identify Conic Section |
11:38 | |
| |
Example 4: Identify Conic Section |
14:50 | |
|
Solving Quadratic Systems |
47:04 |
| |
Intro |
0:00 | |
| |
Linear Quadratic Systems |
0:22 | |
| |
| Example: Linear Quadratic System |
0:45 | |
| |
Solutions |
2:49 | |
| |
| Graphs of Possible Solutions |
3:10 | |
| |
Quadratic Quadratic System |
4:10 | |
| |
| Example: Elimination |
4:21 | |
| |
Solutions |
11:39 | |
| |
| Example: 0, 1, 2, 3, 4 Solutions |
11:50 | |
| |
Systems of Quadratic Inequalities |
12:48 | |
| |
| Example: Quadratic Inequality |
13:09 | |
| |
Example 1: Solve Quadratic System |
21:42 | |
| |
Example 2: Solve Quadratic System |
29:13 | |
| |
Example 3: Solve Quadratic System |
35:02 | |
| |
Example 4: Solve Quadratic Inequality |
40:29 | |
Section 11: Sequences and Series |
|
Arithmetic Sequences |
21:16 |
| |
Intro |
0:00 | |
| |
Sequences |
0:10 | |
| |
| General Form of Sequence |
0:16 | |
| |
| Example: Finite/Infinite Sequences |
0:33 | |
| |
Arithmetic Sequences |
0:28 | |
| |
| Common Difference |
2:41 | |
| |
| Example: Arithmetic Sequence |
2:50 | |
| |
Formula for the nth Term |
3:51 | |
| |
| Example: nth Term |
4:32 | |
| |
Equation for the nth Term |
6:37 | |
| |
| Example: Using Formula |
6:56 | |
| |
Arithmetic Means |
9:47 | |
| |
| Example: Arithmetic Means |
10:16 | |
| |
Example 1: nth Term |
12:38 | |
| |
Example 2: Arithmetic Means |
13:49 | |
| |
Example 3: Arithmetic Means |
16:12 | |
| |
Example 4: nth Term |
18:26 | |
|
Arithmetic Series |
21:36 |
| |
Intro |
0:00 | |
| |
What are Arithmetic Series? |
0:11 | |
| |
| Common Difference |
0:28 | |
| |
| Example: Arithmetic Sequence |
0:43 | |
| |
| Example: Arithmetic Series |
1:09 | |
| |
| Finite/Infinite Series |
1:36 | |
| |
Sum of Arithmetic Series |
2:27 | |
| |
| Example: Sum |
3:21 | |
| |
Sigma Notation |
5:53 | |
| |
| Index |
6:14 | |
| |
| Example: Sigma Notation |
7:14 | |
| |
Example 1: First Term |
9:00 | |
| |
Example 2: Three Terms |
10:52 | |
| |
Example 3: Sum of Series |
14:14 | |
| |
Example 4: Sum of Series |
18:13 | |
|
Geometric Sequences |
23:03 |
| |
Intro |
0:00 | |
| |
Geometric Sequences |
0:11 | |
| |
| Common Difference |
0:38 | |
| |
| Common Ratio |
1:08 | |
| |
| Example: Geometric Sequence |
2:38 | |
| |
nth Term of a Geometric Sequence |
4:41 | |
| |
| Example: nth Term |
4:56 | |
| |
Geometric Means |
6:51 | |
| |
| Example: Geometric Mean |
7:09 | |
| |
Example 1: 9th Term |
12:04 | |
| |
Example 2: Geometric Means |
15:18 | |
| |
Example 3: nth Term |
18:32 | |
| |
Example 4: Three Terms |
20:59 | |
|
Geometric Series |
22:43 |
| |
Intro |
0:00 | |
| |
What are Geometric Series? |
0:11 | |
| |
| List of Numbers |
0:24 | |
| |
| Example: Geometric Series |
1:12 | |
| |
Sum of Geometric Series |
2:16 | |
| |
| Example: Sum of Geometric Series |
2:41 | |
| |
Sigma Notation |
4:21 | |
| |
| Lower Index, Upper Index |
4:38 | |
| |
| Example: Sigma Notation |
4:57 | |
| |
Another Sum Formula |
6:08 | |
| |
| Example: n Unknown |
6:28 | |
| |
Specific Terms |
7:41 | |
| |
| Sum Formula |
7:56 | |
| |
| Example: Specific Term |
8:11 | |
| |
Example 1: Sum of Geometric Series |
10:02 | |
| |
Example 2: Sum of 8 Terms |
14:15 | |
| |
Example 3: Sum of Geometric Series |
18:23 | |
| |
Example 4: First Term |
20:16 | |
|
Infinite Geometric Series |
18:32 |
| |
Intro |
0:00 | |
| |
What are Infinite Geometric Series |
0:10 | |
| |
| Example: Finite |
0:29 | |
| |
| Example: Infinite |
0:51 | |
| |
| Partial Sums |
1:09 | |
| |
| Formula |
1:37 | |
| |
Sum of an Infinite Geometric Series |
2:39 | |
| |
| Convergent Series |
2:58 | |
| |
| Example: Sum of Convergent Series |
3:28 | |
| |
Sigma Notation |
7:31 | |
| |
| Example: Sigma |
8:17 | |
| |
Repeating Decimals |
8:42 | |
| |
| Example: Repeating Decimal |
8:53 | |
| |
Example 1: Sum of Infinite Geometric Series |
12:15 | |
| |
Example 2: Repeating Decimal |
13:24 | |
| |
Example 3: Sum of Infinite Geometric Series |
15:14 | |
| |
Example 4: Repeating Decimal |
16:48 | |
|
Recursion and Special Sequences |
14:34 |
| |
Intro |
0:00 | |
| |
Fibonacci Sequence |
0:05 | |
| |
| Background of Fibonacci |
0:23 | |
| |
| Recursive Formula |
0:37 | |
| |
| Fibonacci Sequence |
0:52 | |
| |
| Example: Recursive Formula |
2:18 | |
| |
Iteration |
3:49 | |
| |
| Example: Iteration |
4:30 | |
| |
Example 1: Five Terms |
7:08 | |
| |
Example 2: Three Terms |
9:00 | |
| |
Example 3: Five Terms |
10:38 | |
| |
Example 4: Three Iterates |
12:41 | |
|
Binomial Theorem |
48:30 |
| |
Intro |
0:00 | |
| |
Pascal's Triangle |
0:06 | |
| |
| Expand Binomial |
0:13 | |
| |
| Pascal's Triangle |
4:26 | |
| |
Properties |
6:52 | |
| |
| Example: Properties of Binomials |
6:58 | |
| |
Factorials |
9:11 | |
| |
| Product |
9:28 | |
| |
| Example: Factorial |
9:45 | |
| |
Binomial Theorem |
11:08 | |
| |
| Example: Binomial Theorem |
13:48 | |
| |
Finding a Specific Term |
18:36 | |
| |
| Example: Specific Term |
19:26 | |
| |
Example 1: Expand |
24:39 | |
| |
Example 2: Fourth Term |
30:26 | |
| |
Example 3: Five Terms |
36:13 | |
| |
Example 4: Three Iterates |
45:07 | |