Section 1: Basic Concepts |
|
Variables and Expressions |
11:22 |
| |
Intro |
0:00 | |
| |
| History of Algebra |
0:12 | |
| |
| Origin of Word |
0:21 | |
| |
| Real World Problems |
0:35 | |
| |
Definitions |
0:58 | |
| |
| Variable |
1:03 | |
| |
| Algebraic Expression |
1:37 | |
| |
| Operations |
2:02 | |
| |
Example 1: Words into Expressions |
3:02 | |
| |
Example 2: Words into Expressions |
5:20 | |
| |
Example 3: Words into Expressions |
6:45 | |
| |
Example 4: Words into Expressions |
9:46 | |
|
Order of Operations |
15:59 |
| |
Intro |
0:00 | |
| |
| Example |
0:17 | |
| |
| Definition |
0:57 | |
| |
Procedure to Evaluate an Arithmetic Expression |
1:08 | |
| |
| Grouping Symbols (Parentheses, Brackets, Braces) |
1:19 | |
| |
| Powers |
1:42 | |
| |
| Multiply/Divide Left to Right |
1:57 | |
| |
| Add/Subtract Left to Right |
2:21 | |
| |
| Example: Fraction Bar |
2:49 | |
| |
Example 1: Evaluate Arithmetic Expression |
3:45 | |
| |
Example 2: Evaluate Arithmetic Expression |
7:28 | |
| |
Example 3: Evaluate Arithmetic Expression |
10:11 | |
| |
Example 4: Evaluate with Variables |
13:12 | |
|
Distributive Property |
9:50 |
| |
Intro |
0:00 | |
| |
Distributive Property Statements |
0:23 | |
| |
| Moving Forward |
0:49 | |
| |
| Rule for Subtraction |
1:14 | |
| |
| Reverse Order |
1:40 | |
| |
| Several Numbers |
2:17 | |
| |
Example 1: Evaluate Using Distributive Property |
2:56 | |
| |
Example 2: Multiply Using Distributive Property |
4:10 | |
| |
Example 3: Simplify Using Distributive Property |
4:59 | |
| |
Example 4: Simplify Using Distributive Property |
7:03 | |
|
Real Number System |
17:58 |
| |
Intro |
0:00 | |
| |
Real Number System |
0:31 | |
| |
| Natural Numbers |
0:39 | |
| |
| Whole Numbers |
1:11 | |
| |
| Integers |
1:23 | |
| |
| Rational Numbers |
1:52 | |
| |
| Cannot Divide by Zero |
2:18 | |
| |
| Decimals |
2:27 | |
| |
| Example: Terminating or Repeating |
2:39 | |
| |
Real Number System, Cont. |
3:37 | |
| |
| Square Roots |
3:42 | |
| |
| Examples |
3:54 | |
| |
| Irrational Numbers |
4:36 | |
| |
| Examples |
5:02 | |
| |
| Perfect Square |
5:54 | |
| |
Real Number System, Cont. |
6:49 | |
| |
| Example: Number Line |
7:02 | |
| |
Example 1: Which Set of Numbers |
7:54 | |
| |
Example 2: Graph on Number Line |
10:04 | |
| |
Example 3: Approximate Irrational Number |
12:47 | |
| |
Example 4: Order Largest to Smallest |
13:57 | |
|
Functions and Graphs |
34:39 |
| |
Intro |
0:00 | |
| |
Functions |
0:15 | |
| |
| Example: Function |
0:29 | |
| |
| Example: Not Functions (Relations) |
1:15 | |
| |
Graphs |
4:44 | |
| |
| Visual Display |
4:53 | |
| |
| Example: X and Y |
5:03 | |
| |
| Coordinate Pairs |
5:53 | |
| |
| Discrete Function |
8:19 | |
| |
| Continuous Function |
8:55 | |
| |
Vertical Line Test |
10:55 | |
| |
| Test if Function |
11:12 | |
| |
| Example: Pass Through Points |
11:43 | |
| |
Domain and Range |
14:13 | |
| |
| Example |
14:43 | |
| |
Example 1: Function Given by Table |
16:24 | |
| |
Example 2: Cost of Gas |
18:46 | |
| |
Example 3: Cost of Gas |
23:15 | |
| |
Example 4: Cost of Mail |
29:07 | |
Section 2: Solving Linear Equations |
|
From Sentences to Equations |
16:05 |
| |
Intro |
0:00 | |
| |
| Real World Applications |
0:18 | |
| |
Strategy |
0:26 | |
| |
| Using Variables |
0:32 | |
| |
| Translate Phrases |
0:48 | |
| |
| Identity Equality Words |
1:07 | |
| |
Example 1: Write Equation |
1:32 | |
| |
Example 2: Write Equation |
4:14 | |
| |
Example 3: Sisters' Ages |
8:26 | |
| |
Example 4: Surface Area of Cylinder |
12:52 | |
|
Addition and Subtraction Techniques |
15:24 |
| |
Intro |
0:00 | |
| |
Techniques |
0:21 | |
| |
| Addition Principle |
0:24 | |
| |
| Example |
0:37 | |
| |
| Subtraction Principle |
1:44 | |
| |
| Example |
1:48 | |
| |
Strategy |
2:33 | |
| |
| Isolate the Variable |
2:41 | |
| |
| Example |
2:55 | |
| |
Example 1: Solve Equation |
3:39 | |
| |
Example 2: Solve Equation |
5:38 | |
| |
Example 3: Word Problem |
7:38 | |
| |
Example 4: Word Problem |
11:14 | |
|
Multiplication and Division Techniques |
15:41 |
| |
Intro |
0:00 | |
| |
| Isolating the Variable |
0:08 | |
| |
Techniques |
0:34 | |
| |
| Multiplication Principle |
0:41 | |
| |
| Example |
0:57 | |
| |
| Division Principle |
2:32 | |
| |
| Example |
2:47 | |
| |
Strategy |
3:12 | |
| |
| Example |
3:30 | |
| |
| Opposite Operation |
3:53 | |
| |
Example 1: Solve Equation |
5:07 | |
| |
Example 2: Solve Equation |
6:50 | |
| |
Example 3: Solve Equation |
10:05 | |
| |
Example 4: Word Problem |
12:07 | |
|
Techniques for Multistep Equations |
14:31 |
| |
Intro |
0:00 | |
| |
What are Multistep Equations |
0:06 | |
| |
| Addition/Subtraction and Multiplication/Division |
0:31 | |
| |
Strategy |
0:43 | |
| |
| Identify Last Operation |
0:47 | |
| |
Example 1: Solve Equation |
1:51 | |
| |
Example 2: Solve Equation |
5:27 | |
| |
Example 3: Find Numbers |
7:39 | |
| |
Example 4: Solve Equation |
11:27 | |
|
When the Variable is on Both Sides of the Equation |
20:17 |
| |
Intro |
0:00 | |
| |
Solving More Complicated Equations |
0:28 | |
| |
| Distributive Property |
0:41 | |
| |
| Review of Distributive Property |
0:55 | |
| |
| Factoring |
1:28 | |
| |
| Subtracting |
1:50 | |
| |
| Applying with Addition/Subtraction |
2:08 | |
| |
Possible Outcomes |
2:45 | |
| |
| Exactly One Solution |
2:52 | |
| |
| No Solution |
3:08 | |
| |
| True for All Real Numbers |
4:45 | |
| |
| Identities |
5:01 | |
| |
Example 1: Solve Equation |
6:03 | |
| |
Example 2: Solve Equation |
9:08 | |
| |
Example 3: Solve Equation |
14:06 | |
| |
Example 4: Solve Equation |
17:28 | |
|
Ratios and Proportion |
16:05 |
| |
Intro |
0:00 | |
| |
Definitions |
0:07 | |
| |
| Ratio |
0:10 | |
| |
| Different Representations |
0:14 | |
| |
| Proportion |
0:33 | |
| |
| Example |
0:40 | |
| |
Cross Product |
1:08 | |
| |
| Cross Multiplication |
1:32 | |
| |
| Example |
2:13 | |
| |
Rates |
3:33 | |
| |
| Rates in Real Life |
3:46 | |
| |
Example 1: Form a Proportion |
4:43 | |
| |
Example 2: Cross Multiply |
7:15 | |
| |
Example 3: How Long to Drive |
9:00 | |
| |
Example 4: Cross Products |
12:13 | |
|
Applications of Percents |
13:46 |
| |
Intro |
0:00 | |
| |
Definitions |
0:15 | |
| |
| Percent of Increase |
0:27 | |
| |
| Percent of Decrease |
0:34 | |
| |
| Examples |
0:42 | |
| |
| Sales Tax |
1:48 | |
| |
| Discount |
2:44 | |
| |
Example 1: Temperature Change |
3:12 | |
| |
Example 2: Sales Tax |
5:44 | |
| |
Example 3: Clothing Discount |
7:04 | |
| |
Example 4: Sales and Discount |
9:15 | |
|
More Than One Variable |
20:38 |
| |
Intro |
0:00 | |
| |
More Than One Variable |
0:21 | |
| |
| Real Life Examples |
0:30 | |
| |
Strategy |
1:08 | |
| |
| Possible Techniques |
1:17 | |
| |
Typical Application |
1:43 | |
| |
| Solving for a Different Variable |
1:59 | |
| |
Example 1: Solve for Y |
5:06 | |
| |
Example 2: Solve for Q |
7:38 | |
| |
Example 3: Solve for H |
12:56 | |
| |
Example 4: Solve for X |
16:04 | |
Section 3: Functions |
|
Relations |
16:58 |
| |
Intro |
0:00 | |
| |
Definition |
0:04 | |
| |
| Relation |
0:06 | |
| |
| Table |
0:18 | |
| |
| Set of Ordered Pairs |
1:01 | |
| |
| Graph |
1:38 | |
| |
Domain and Range |
2:40 | |
| |
| Example: Relation |
2:51 | |
| |
| Example: Broader Cases |
3:48 | |
| |
Inverse of a Relation |
4:42 | |
| |
| Example |
4:59 | |
| |
Example 1: Relation as Table/Graph |
6:15 | |
| |
Example 2: Domain and Range |
8:41 | |
| |
Example 3: Table, Graph, Domain, Range |
10:36 | |
| |
Example 4: Inverse of a Relation |
13:36 | |
|
Functions |
19:27 |
| |
Intro |
0:00 | |
| |
Definition |
0:14 | |
| |
| Review of Relations |
0:27 | |
| |
| Violation of Function |
1:43 | |
| |
| Example: Function |
2:00 | |
| |
Vertical Line Test |
3:18 | |
| |
| Example |
3:41 | |
| |
Function Notation |
6:15 | |
| |
| Using f(x) |
6:26 | |
| |
| Example: Value Assigned |
7:12 | |
| |
Example 1: Relation a Function |
8:10 | |
| |
Example 2: Relation a Function |
9:39 | |
| |
Example 3: Using f(x) Notation |
12:20 | |
| |
Example 4: g(x) Notation |
15:01 | |
|
Linear Functions |
20:15 |
| |
Intro |
0:00 | |
| |
Definition |
0:07 | |
| |
| Standard Form |
0:18 | |
| |
| Example |
0:52 | |
| |
Graph and Intercepts |
2:39 | |
| |
| Example: Graph |
2:48 | |
| |
| X-Intercept |
2:56 | |
| |
| Y-Intercept |
3:35 | |
| |
Graphing Linear Equations |
4:29 | |
| |
| Example |
4:47 | |
| |
Linear Functions |
7:51 | |
| |
| Example |
8:15 | |
| |
Example 1: Linear |
10:16 | |
| |
Example 2: Linear Equation |
12:58 | |
| |
Example 3: Intercepts |
14:23 | |
| |
Example 4: Equation from Intercepts |
16:47 | |
Section 4: Linear Functions and Their Graphs |
|
Slope and Rate of Change |
19:46 |
| |
Intro |
0:00 | |
| |
Rate of Change |
0:06 | |
| |
| Other Words |
0:14 | |
| |
| Example |
0:24 | |
| |
Slope |
2:12 | |
| |
| Two Points |
2:39 | |
| |
| Steepness of a Line |
2:57 | |
| |
Possible Slopes |
4:29 | |
| |
| Positive Slope |
5:02 | |
| |
| Negative Slope |
5:29 | |
| |
| Zero Slope (Horizontal Line) |
6:23 | |
| |
| Undefined Slope (Vertical Line) |
7:08 | |
| |
Example 1: Rate of Change of Table |
8:19 | |
| |
Example 2: Slope Through Points |
10:52 | |
| |
Example 3: Increasing/Decreasing |
13:06 | |
| |
Example 4: Slope Through Points |
16:02 | |
|
Direct Variation |
13:54 |
| |
Intro |
0:00 | |
| |
Definitions |
0:10 | |
| |
| Constant of Variation k |
0:21 | |
| |
| Example: Gas and Miles Driven |
0:59 | |
| |
Graph |
1:50 | |
| |
| k is Slope |
2:04 | |
| |
| Examples |
2:27 | |
| |
Applications |
2:47 | |
| |
| Write, Graph, Solve |
2:58 | |
| |
Example 1: Constant of Variation |
3:11 | |
| |
Example 2: Graph Direct Variation |
4:59 | |
| |
Example 3: Direct Variation |
6:50 | |
| |
Example 4: Distance Car Travels |
9:18 | |
|
Slope Intercept Form of an Equation |
12:06 |
| |
Intro |
0:00 | |
| |
Slope Intercept Form |
0:12 | |
| |
| m (Slope) and b (Y Intercept) |
0:31 | |
| |
| Example |
1:12 | |
| |
Example 1: Slope Intercept Form Equation |
2:39 | |
| |
Example 2: Graph the Equation |
5:11 | |
| |
Example 3: Slope Intercept Form Equation |
6:51 | |
| |
Example 4: Slope Intercept Form Equation |
8:50 | |
|
Point Slope Form of an Equation |
9:07 |
| |
Intro |
0:00 | |
| |
Point Slope Form |
0:07 | |
| |
| Manipulating to Other Forms |
0:35 | |
| |
| m (Slope), x1 y1 (Point) |
0:47 | |
| |
Example 1: Point Slope Form Equation |
1:03 | |
| |
Example 2: Point Slope Form Equation |
2:50 | |
| |
Example 3: Point Slope Form Equation |
4:18 | |
| |
Example 4: Point Slope Form Equation |
6:50 | |
|
Parallel Lines and Perpendicular Lines |
18:02 |
| |
Intro |
0:00 | |
| |
Parallel Lines |
0:08 | |
| |
| Example |
0:15 | |
| |
| Vertical Lines |
0:40 | |
| |
Perpendicular Lines |
1:19 | |
| |
| Negative Reciprocal |
1:31 | |
| |
| Example |
2:05 | |
| |
Example 1: Slope Intercept Form |
3:25 | |
| |
Example 2: Parallel or Perpendicular |
6:15 | |
| |
Example 3: Slope Intercept Form |
9:27 | |
| |
Example 4: Slope Intercept Form |
12:35 | |
Section 5: Systems of Equations |
|
Graphing Systems of Equations |
22:45 |
| |
Intro |
0:00 | |
| |
Systems of Equations |
0:10 | |
| |
| Definition |
0:15 | |
| |
| Example |
0:31 | |
| |
| Solution |
0:47 | |
| |
Solving by Graphing |
1:23 | |
| |
| Points of Intersection |
1:36 | |
| |
| Example |
1:56 | |
| |
Number of Solutions |
3:09 | |
| |
| Independent |
3:20 | |
| |
| Dependent |
3:50 | |
| |
| Inconsistent |
4:46 | |
| |
Example 1: Solve by Graphing |
5:45 | |
| |
Example 2: Solve by Graphing |
9:50 | |
| |
Example 3: Solve by Graphing |
14:17 | |
| |
Example 4: Solve by Graphing |
18:03 | |
|
Solving by Substituting |
22:41 |
| |
Intro |
0:00 | |
| |
Substitution |
0:09 | |
| |
| Example |
0:45 | |
| |
Number of Solutions |
2:47 | |
| |
| Infinite Solutions |
3:11 | |
| |
| No Solutions |
4:28 | |
| |
Example 1: Solve by Substitution |
5:44 | |
| |
Example 2: Solve by Substitution |
10:01 | |
| |
Example 3: Solve by Substitution |
15:17 | |
| |
Example 4: Solve by Substitution |
19:41 | |
|
Solving by Addition and Subtraction |
16:13 |
| |
Intro |
0:00 | |
| |
Fundamental Principle |
0:10 | |
| |
| Example |
0:23 | |
| |
Example 1: Solve the System |
1:52 | |
| |
Example 2: Solve the System |
5:53 | |
| |
Example 3: Solve the System |
10:15 | |
| |
Example 4: Solve the System |
14:08 | |
Section 6: Inequalities |
|
Addition & Subtraction Techniques |
11:34 |
| |
Intro |
0:00 | |
| |
Fundamental Principle |
0:09 | |
| |
| Example |
0:36 | |
| |
Solutions of Inequalities |
1:51 | |
| |
| Inequality |
1:59 | |
| |
| Set Builder Notation |
2:02 | |
| |
| Graph on a Number Line |
2:08 | |
| |
| Examples |
2:18 | |
| |
Example 1: Solve the Inequality |
4:59 | |
| |
Example 2: Solve the Inequality |
7:00 | |
| |
Example 3: Solve the Inequality |
8:10 | |
| |
Example 4: Solve the Inequality |
9:47 | |
|
Multiplication & Division Techniques |
10:49 |
| |
Intro |
0:00 | |
| |
Fundamental Principle |
0:10 | |
| |
| Only Positive Numbers |
0:23 | |
| |
| Example |
0:51 | |
| |
Fundamental Principle, Cont. |
2:01 | |
| |
| Negative Numbers |
2:12 | |
| |
| Reverse Inequality Sign |
2:28 | |
| |
| Example |
2:48 | |
| |
Example 1: Solve the Inequality |
4:26 | |
| |
Example 2: Solve the Inequality |
5:45 | |
| |
Example 3: Solve the Inequality |
6:50 | |
| |
Example 4: Solve the Inequality |
8:28 | |
|
Techniques for Multistep Inequalities |
16:56 |
| |
Intro |
0:00 | |
| |
Similarity to Multistep Equations |
0:16 | |
| |
| Negative Numbers |
0:32 | |
| |
| Example |
0:49 | |
| |
Inequalities Containing Grouping Symbols |
1:24 | |
| |
| Example |
1:35 | |
| |
Special Cases |
2:45 | |
| |
| Example: All Real Numbers |
3:04 | |
| |
| Example: Empty Set |
4:10 | |
| |
Example 1: Solve the Inequality |
6:05 | |
| |
Example 2: Solve the Inequality |
7:39 | |
| |
Example 3: Solve the Inequality |
9:57 | |
| |
Example 4: Solve the Inequality |
13:56 | |
|
Compound Inequalities |
21:32 |
| |
Intro |
0:00 | |
| |
What is a Compound Inequality |
0:07 | |
| |
| Joined by 'And' or 'Or' |
0:16 | |
| |
Inequalities Combined by 'And' |
0:36 | |
| |
| Intersection/Overlap |
0:53 | |
| |
| Example |
1:08 | |
| |
Inequalities Combined by 'Or' |
4:23 | |
| |
| Union |
4:41 | |
| |
| Example |
5:27 | |
| |
Example 1: Solve the Inequality |
6:39 | |
| |
Example 2: Solve the Inequality |
11:30 | |
| |
Example 3: Solve the Inequality |
13:43 | |
| |
Example 4: Solve the Inequality |
18:19 | |
|
Equations with Absolute Value |
24:16 |
| |
Intro |
0:00 | |
| |
Absolute Value |
0:06 | |
| |
| Number Line |
0:22 | |
| |
| Example |
0:41 | |
| |
| Absolute Value is N |
1:52 | |
| |
Absolute Value Function |
3:17 | |
| |
| Example |
3:40 | |
| |
| g(x) and f(x) |
4:31 | |
| |
Solving Absolute Value Equations |
6:23 | |
| |
| Absolute Value in Words |
6:39 | |
| |
| Split Into Two Parts |
7:58 | |
| |
| Solve Both Equations |
8:22 | |
| |
Example 1: Solve the Absolute Value |
10:34 | |
| |
Example 2: Solve the Absolute Value |
13:09 | |
| |
Example 3: Solve the Absolute Value |
14:52 | |
| |
Example 4: Solve the Absolute Value |
20:23 | |
|
Inequalities with Absolute Values |
17:37 |
| |
Intro |
0:00 | |
| |
Inequalities of the Form |x|< n |
0:07 | |
| |
| Values that Satisfy Both Inequalities |
0:46 | |
| |
| Example |
1:27 | |
| |
Inequalities of the Form |x|> n |
3:58 | |
| |
| Values that Satisfy Either Inequalities |
4:19 | |
| |
| Example |
4:47 | |
| |
Example 1: Solve the Inequality |
6:38 | |
| |
Example 2: Solve the Inequality |
9:54 | |
| |
Example 3: Solve the Inequality |
12:05 | |
| |
Example 4: Solve the Inequality |
14:50 | |
|
Graphing Inequalities with Two Variables |
24:33 |
| |
Intro |
0:00 | |
| |
Graph |
0:08 | |
| |
| Half Plane and Boundary |
0:51 | |
| |
Technique for Graphing |
1:57 | |
| |
| Graph Equation |
2:01 | |
| |
| Solid Line or Dashed Line |
2:07 | |
| |
| Example |
2:32 | |
| |
| Choosing a Test Point |
5:10 | |
| |
| Example |
5:26 | |
| |
Example 1: Solve the Inequality |
7:49 | |
| |
Example 2: Solve the Inequality |
11:37 | |
| |
Example 3: Solve the Inequality |
15:44 | |
| |
Example 4: Solve the Inequality |
19:10 | |
|
Graphing Systems of Inequalities |
24:04 |
| |
Intro |
0:00 | |
| |
System of Inequalities |
0:05 | |
| |
| Example |
0:22 | |
| |
Solving a System of Inequalities |
0:38 | |
| |
| Solution Set |
0:46 | |
| |
| Graph Each Inequality |
0:57 | |
| |
| Area of Overlap |
1:45 | |
| |
Example 1: Solve the System of Inequalities |
2:44 | |
| |
Example 2: Solve the System of Inequalities |
6:33 | |
| |
Example 3: Solve the System of Inequalities |
11:40 | |
| |
Example 4: Solve the System of Inequalities |
17:36 | |
Section 7: Polynomials |
|
Multiplying Monomials |
22:19 |
| |
Intro |
0:00 | |
| |
What is a Monomial |
0:09 | |
| |
| Examples |
0:17 | |
| |
| Power |
0:55 | |
| |
| Base and Exponent |
1:52 | |
| |
Properties of Exponents |
2:16 | |
| |
| Add Exponents |
2:25 | |
| |
| Multiply Exponents |
4:00 | |
| |
| Product Exponent |
4:39 | |
| |
Simplified Form |
7:26 | |
| |
| Examples |
7:47 | |
| |
Example 1: Simplify the Monomial |
8:26 | |
| |
Example 2: Simplify the Monomial |
10:32 | |
| |
Example 3: Simplify the Monomial |
12:48 | |
| |
Example 4: Simplify the Monomial |
17:33 | |
|
Dividing Monomials |
24:02 |
| |
Intro |
0:00 | |
| |
Properties of Exponents |
0:05 | |
| |
Dividing with Same Base |
0:15 | |
| |
| Example |
0:53 | |
| |
Quotient Raised to Power |
2:22 | |
| |
| Example |
2:53 | |
| |
Raising to 0 Power |
4:00 | |
| |
| Example |
4:21 | |
| |
Negative Exponents |
5:45 | |
| |
| Example |
6:05 | |
| |
Example 1: Simplify the Monomial |
7:33 | |
| |
Example 2: Simplify the Monomial |
14:56 | |
| |
Example 3: Simplify the Monomial |
13:30 | |
| |
Example 4: Simplify the Monomial |
17:35 | |
|
Polynomials |
8:56 |
| |
Intro |
0:00 | |
| |
What is a Polynomial |
0:07 | |
| |
| Monomial |
0:40 | |
| |
| Binomial |
1:15 | |
| |
| Trinomial |
1:25 | |
| |
Degree of a Polynomial |
1:56 | |
| |
| Example: Degree of Monomial |
2:13 | |
| |
| Example: Degree of Polynomial |
2:47 | |
| |
Ordering Polynomials |
3:32 | |
| |
| Example |
3:47 | |
| |
Example 1: Trinomial or Binomial |
4:44 | |
| |
Example 2: Find the Degree |
5:27 | |
| |
Example 3: Increasing Powers |
6:11 | |
| |
Example 4: Decreasing Powers |
7:27 | |
|
Adding and Subtracting Polynomials |
15:51 |
| |
Intro |
0:00 | |
| |
Adding Polynomials |
0:07 | |
| |
| Like Terms |
0:18 | |
| |
| Example |
1:02 | |
| |
Subtracting Polynomials |
2:44 | |
| |
| Example |
2:58 | |
| |
Example 1: Add Polynomials |
5:11 | |
| |
Example 2: Subtract Polynomials |
7:30 | |
| |
Example 3: Add and Subtract |
9:35 | |
| |
Example 4: Add and Subtract |
12:09 | |
|
Multiplying Polynomials by Monomials |
18:17 |
| |
Intro |
0:00 | |
| |
Distributive Property |
0:07 | |
| |
| Example |
0:54 | |
| |
Solving Equations |
1:36 | |
| |
| Isolate Variable and Solve |
1:46 | |
| |
Example 1: Multiply |
1:59 | |
| |
Example 2: Simplify |
3:33 | |
| |
Example 3: Simplify |
7:20 | |
| |
Example 4: Solve |
13:37 | |
|
Multiplying Polynomials |
18:02 |
| |
Intro |
0:00 | |
| |
Distributive Property |
0:08 | |
| |
| Example |
0:54 | |
| |
FOIL Method |
2:44 | |
| |
| First, Outer, Inner, Last |
3:20 | |
| |
Example 1: Multiply |
5:32 | |
| |
Example 2: Multiply |
7:27 | |
| |
Example 3: Multiply |
9:41 | |
| |
Example 4: Multiply |
13:56 | |
|
Special Products |
17:00 |
| |
Intro |
0:00 | |
| |
Square of a Sum |
0:06 | |
| |
| Example |
1:09 | |
| |
Square of a Difference |
2:46 | |
| |
| Example |
3:22 | |
| |
Difference of Two Squares |
4:50 | |
| |
| Example |
5:31 | |
| |
Example 1: Multiply |
6:24 | |
| |
Example 2: Multiply |
8:34 | |
| |
Example 3: Multiply |
11:03 | |
| |
Example 4: Multiply |
12:54 | |
Section 8: Factoring |
|
Special Product |
17:51 |
| |
Intro |
0:00 | |
| |
Prime and Composite Numbers |
0:09 | |
| |
| Prime Number |
0:12 | |
| |
| Composite Number |
0:42 | |
| |
Factored Forms |
1:39 | |
| |
| Prime Factored Form |
1:40 | |
| |
| Factored Form |
2:21 | |
| |
Greatest Common Factor |
3:55 | |
| |
| Example: GCF for Number |
4:19 | |
| |
| Example: GCF for Monomial |
6:00 | |
| |
Example 1: Prime Factored Form |
7:51 | |
| |
Example 2: Factored Form |
9:34 | |
| |
Example 3: GCF |
11:12 | |
| |
Example 4: GCF |
13:28 | |
|
Factoring Using Greatest Common Factor |
25:21 |
| |
Intro |
0:00 | |
| |
Distributive Property |
0:05 | |
| |
| Example: Binomial |
0:49 | |
| |
| Example: Trinomial |
2:18 | |
| |
Factoring by Grouping |
4:17 | |
| |
| Example: Four Terms |
4:40 | |
| |
Zero Product Property |
8:21 | |
| |
| Example |
9:01 | |
| |
Example 1: Factor the Polynomial |
10:38 | |
| |
Example 2: Factor the Polynomial |
13:43 | |
| |
Example 3: Factor the Polynomial |
19:59 | |
| |
Example 4: Solve the Polynomial |
22:58 | |
|
Factoring Trinomials with Leading Coefficient of 1 |
27:11 |
| |
Intro |
0:00 | |
| |
Factoring Trinomials |
0:07 | |
| |
| Leading Coefficient |
0:11 | |
| |
| Example |
1:20 | |
| |
Rules for Signs |
2:42 | |
| |
| P and Q Both Positive |
2:55 | |
| |
| P and Q Both Negative |
3:39 | |
| |
| P and Q Opposite Signs |
4:30 | |
| |
Solving Equations |
5:18 | |
| |
| Example |
6:44 | |
| |
Example 1: Factor the Polynomial |
7:41 | |
| |
Example 2: Factor the Polynomial |
12:33 | |
| |
Example 3: Factor the Polynomial |
16:39 | |
| |
Example 4: Solve the Polynomial |
21:35 | |
|
Factoring General Trinomials |
46:09 |
| |
Intro |
0:00 | |
| |
Factoring Trinomials |
0:15 | |
| |
| Example |
2:42 | |
| |
Grouping |
7:20 | |
| |
| Example |
7:35 | |
| |
Rules for Signs |
10:51 | |
| |
| Same as Leading Coefficient is 1 |
11:05 | |
| |
Greatest Common Factor |
12:29 | |
| |
| Use Whenever Possible |
12:41 | |
| |
| Example |
12:59 | |
| |
Prime Polynomials |
13:58 | |
| |
| Example |
14:33 | |
| |
Solving Equations |
16:55 | |
| |
| Example |
17:25 | |
| |
Example 1: Factor the Polynomial |
18:46 | |
| |
Example 2: Factor the Polynomial |
25:23 | |
| |
Example 3: Factor the Polynomial |
32:37 | |
| |
Example 4: Solve the Polynomial |
36:18 | |
|
Factoring the Difference of Two Squares |
24:03 |
| |
Intro |
0:00 | |
| |
Difference of Two Squares |
0:08 | |
| |
| Example |
0:36 | |
| |
Factoring Using Several Techniques |
2:23 | |
| |
| Factoring the GCF |
2:30 | |
| |
| Example |
3:22 | |
| |
Solving Equations |
5:24 | |
| |
| Example |
5:50 | |
| |
Example 1: Factor the Polynomial |
7:34 | |
| |
Example 2: Factor the Polynomial |
9:11 | |
| |
Example 3: Factor the Polynomial |
12:00 | |
| |
Example 4: Solve the Polynomial |
18:31 | |
|
Factoring Perfect Squares |
18:10 |
| |
Intro |
0:00 | |
| |
Perfect Squares |
0:07 | |
| |
| Example: Perfect Square Trinomials |
1:12 | |
| |
Solving Equations |
2:57 | |
| |
| Square Root Property |
3:09 | |
| |
| Example |
3:28 | |
| |
Example 1: Factor the Polynomial |
5:09 | |
| |
Example 2: Factor the Polynomial |
6:13 | |
| |
Example 3: Solve the Polynomial |
8:43 | |
| |
Example 4: Solve the Polynomial |
13:35 | |
Section 9: Quadratic Functions |
|
Graphing Quadratic Functions |
35:45 |
| |
Intro |
0:00 | |
| |
Parabolas |
0:14 | |
| |
| Standard Form of Quadratic Function |
0:28 | |
| |
| Examples |
1:05 | |
| |
| Absolute Value of 'a' |
2:19 | |
| |
Parabolas That Open Upward |
3:14 | |
| |
| Minimum |
3:48 | |
| |
| Example |
3:57 | |
| |
Parabolas That Open Downward |
6:57 | |
| |
| Example |
7:17 | |
| |
| Maximum |
9:23 | |
| |
Vertex |
9:53 | |
| |
| Example |
10:40 | |
| |
Axis of Symmetry |
14:16 | |
| |
| Example |
15:03 | |
| |
Example 1: Graph the Quadratic |
19:54 | |
| |
Example 2: Graph the Quadratic |
24:12 | |
| |
Example 3: Vertex Maximum or Minimum |
28:32 | |
| |
Example 4: Axis of Symmetry |
31:13 | |
|
Solving Equations by Graphing |
40:42 |
| |
Intro |
0:00 | |
| |
Solving a Quadratic Equation |
0:08 | |
| |
| Example |
0:56 | |
| |
Two Distinct Solutions/Roots |
8:10 | |
| |
| Roots |
8:23 | |
| |
| Example: Graphs |
8:40 | |
| |
One Double Root |
9:19 | |
| |
| Example: One X-Intercept |
9:54 | |
| |
No Real Roots |
14:03 | |
| |
| Example |
14:53 | |
| |
Estimating Solutions |
18:41 | |
| |
| Example: Not Integers |
19:18 | |
| |
Example 1: Solve by Graphing |
20:18 | |
| |
Example 2: Solve by Graphing |
26:36 | |
| |
Example 3: Solve by Graphing |
30:18 | |
| |
Example 4: Estimate by Graphing |
34:59 | |
|
Solving Equations by Completing the Square |
28:13 |
| |
Intro |
0:00 | |
| |
Perfect Square Trinomials |
0:15 | |
| |
| Example |
0:36 | |
| |
Completing the Square |
4:55 | |
| |
| Example |
6:20 | |
| |
Completing the Square to Solve Equations |
9:19 | |
| |
| Example |
9:40 | |
| |
When the Leading Coefficient is Not 1 |
13:17 | |
| |
| Example |
14:01 | |
| |
Example 1: Solve the Equation |
15:05 | |
| |
Example 2: Complete the Square |
20:16 | |
| |
Example 3: Solve by Completing the Square |
22:31 | |
| |
Example 4: Solve by Completing the Square |
25:02 | |
|
Solving Equations Using the Quadratic Formula |
17:17 |
| |
Intro |
0:00 | |
| |
Quadratic Formula |
0:17 | |
| |
| Standard Form |
0:24 | |
| |
| Example |
1:00 | |
| |
Discriminant |
3:14 | |
| |
| Two Solutions and Both Real |
3:40 | |
| |
| One Real Solution |
4:07 | |
| |
| No Real Solutions |
4:28 | |
| |
Example 1: Solve the Equation |
6:25 | |
| |
Example 2: Solve the Equation |
8:42 | |
| |
Example 3: Solve the Equation |
12:02 | |
| |
Example 4: Number of Real Roots |
15:23 | |
Section 10: Radical Expressions and Equations |
|
Simplifying Radical Expressions |
41:30 |
| |
Intro |
0:00 | |
| |
Radical Expression |
0:12 | |
| |
| Example: Radicand Simplest Form |
0:29 | |
| |
| Example: Not Simplest Form |
1:16 | |
| |
| Principal Square Root (Positive) |
2:43 | |
| |
Product Property |
3:40 | |
| |
| Examples |
4:05 | |
| |
Square Roots of Variables with Even Powers |
7:01 | |
| |
| Eliminate Radical Sign |
7:42 | |
| |
| Divide Exponent by 2 |
7:57 | |
| |
| Absolute Value of Result |
8:29 | |
| |
| Examples |
8:52 | |
| |
Quotient Rule |
14:12 | |
| |
| Example |
14:31 | |
| |
Rationalizing Denominators |
16:08 | |
| |
| Example |
16:43 | |
| |
Conjugates |
18:33 | |
| |
| Example |
19:53 | |
| |
Simplest Radical Form |
20:58 | |
| |
| Three Criteria |
21:10 | |
| |
Example 1: Simplify Expression |
21:57 | |
| |
Example 2: Simplify Expression |
25:12 | |
| |
Example 3: Simplify Expression |
31:37 | |
| |
Example 4: Simplify Expression |
35:29 | |
|
Operations with Radical Expressions |
21:52 |
| |
Intro |
0:00 | |
| |
Adding and Subtracting Radical Expressions |
0:13 | |
| |
| Like Radicals |
0:28 | |
| |
| Distributive Property |
1:10 | |
| |
Multiplying Radical Expressions |
4:24 | |
| |
| Example: Use FOIL |
4:44 | |
| |
Example 1: Simplify Expression |
7:07 | |
| |
Example 2: Simplify Expression |
8:51 | |
| |
Example 3: Simplify Expression |
12:14 | |
| |
Example 4: Simplify Expression |
16:06 | |
|
Solving Radical Equations |
27:00 |
| |
Intro |
0:00 | |
| |
Radical Equations |
0:15 | |
| |
| Examples |
0:30 | |
| |
Solving a Radical Equation |
1:13 | |
| |
| Isolate Radical |
1:18 | |
| |
| Square Both Sides |
1:38 | |
| |
| Example |
1:44 | |
| |
Extraneous Solutions |
2:57 | |
| |
| Example: Check Solutions |
3:30 | |
| |
Example 1: Solve Equation |
6:29 | |
| |
Example 2: Solve Equation |
9:52 | |
| |
Example 3: Solve Equation |
14:29 | |
| |
Example 4: Solve Equation |
20:53 | |
|
Pythagorean Theorem |
17:24 |
| |
Intro |
0:00 | |
| |
Right Triangles |
0:06 | |
| |
| Vertex |
0:32 | |
| |
| Hypotenuse |
0:56 | |
| |
| Legs |
1:11 | |
| |
Pythagorean Theorem |
1:21 | |
| |
| Graphical Representation |
1:37 | |
| |
| Example |
2:39 | |
| |
Pythagorean Triples |
3:40 | |
| |
| Example |
3:56 | |
| |
Converse of the Pythagorean Theorem |
4:36 | |
| |
| Example |
6:23 | |
| |
Example 1: Length of Hypotenuse |
7:24 | |
| |
Example 2: Length of Legs |
9:02 | |
| |
Example 3: Area of Triangle |
12:00 | |
| |
Example 4: Length of Side |
14:59 | |
|
Distance Formula |
26:50 |
| |
Intro |
0:00 | |
| |
Distance Formula |
0:09 | |
| |
| Similarity to Pythagorean Theorem |
0:21 | |
| |
Missing Coordinates |
5:50 | |
| |
| Example |
6:22 | |
| |
Example 1: Distance Between Points |
11:43 | |
| |
Example 2: Distance Between Points |
14:05 | |
| |
Example 3: Distance Between Points |
18:18 | |
| |
Example 4: Missing Coordinate |
21:57 | |
Section 11: Rational Expressions and Equations |
|
Inverse Variation |
24:13 |
| |
Intro |
0:00 | |
| |
| Direct Variation |
0:12 | |
| |
Inverse Variation |
0:24 | |
| |
| Constant of Variation k |
0:50 | |
| |
| Y Varies Inversely as X |
0:59 | |
| |
Graphing Inverse Variation |
3:09 | |
| |
| Real World Applications |
3:24 | |
| |
| Example |
3:59 | |
| |
Product Rule |
10:19 | |
| |
| Alternate Form |
11:10 | |
| |
| Finding Missing 4th Point |
11:24 | |
| |
Example 1: Graph Inverse Variation |
11:36 | |
| |
Example 2: Graph Inverse Variation |
14:47 | |
| |
Example 3: Find Missing Point |
19:39 | |
| |
Example 4: Find Missing Point |
21:53 | |
|
Rational Expressions |
34:22 |
| |
Intro |
0:00 | |
| |
Rational Expressions |
0:10 | |
| |
| Examples |
0:28 | |
| |
Excluded Values |
1:03 | |
| |
| Dividing by 0 |
1:29 | |
| |
| Example |
2:49 | |
| |
Simplifying Rational Expressions |
7:12 | |
| |
| Eliminating the GCF |
7:17 | |
| |
| Example: Regular Fraction |
7:30 | |
| |
| Example: Rational Expression |
8:12 | |
| |
Simplifying and Excluded Values |
10:15 | |
| |
| Original Rational Expression |
10:24 | |
| |
| Example |
10:47 | |
| |
Example 1: Find Excluded Values |
13:47 | |
| |
Example 2: Simplify and Find Excluded Values |
16:10 | |
| |
Example 3: Simplify and Find Excluded Values |
22:04 | |
| |
Example 4: Simplify and Find Excluded Values |
26:29 | |
|
Multiplying Rational Expressions |
22:58 |
| |
Intro |
0:00 | |
| |
Procedure |
0:08 | |
| |
| Examples |
0:29 | |
| |
Cancel Before Multiplication |
1:53 | |
| |
| Example |
2:04 | |
| |
Rational Expressions Containing Polynomials |
3:18 | |
| |
| Example |
3:46 | |
| |
Example 1: Multiply Rational Expressions |
6:04 | |
| |
Example 2: Multiply Rational Expressions |
9:11 | |
| |
Example 3: Multiply Rational Expressions |
11:19 | |
| |
Example 4: Multiply Rational Expressions |
17:36 | |
|
Dividing Rational Expressions |
21:49 |
| |
Intro |
0:00 | |
| |
Procedure |
0:10 | |
| |
| Reciprocal of Expression |
0:22 | |
| |
| Example: Regular Fractions |
0:44 | |
| |
| Example: Rational Expressions |
1:46 | |
| |
Cancel Before Multiplying |
3:23 | |
| |
| Why Cancel |
3:45 | |
| |
| Example |
4:15 | |
| |
Rational Expressions Containing Polynomials |
6:46 | |
| |
| Example |
7:06 | |
| |
Example 1: Divide Rational Expressions |
9:15 | |
| |
Example 2: Divide Rational Expressions |
13:11 | |
| |
Example 3: Divide Rational Expressions |
15:39 | |
|
Dividing Polynomials |
35:57 |
| |
Intro |
0:00 | |
| |
Dividing a Polynomial by a Monomial |
0:11 | |
| |
| Example: Regular Fractions |
0:36 | |
| |
| Example: Polynomials |
1:24 | |
| |
Dividing a Polynomial by a Binomial |
2:56 | |
| |
| Example: Dividend and Divisor |
3:30 | |
| |
Long Division |
5:28 | |
| |
| Example: Regular Numbers |
5:49 | |
| |
| Example: Polynomials |
7:17 | |
| |
Missing Terms |
12:20 | |
| |
| Definition |
12:40 | |
| |
| Example |
12:55 | |
| |
Example 1: Divide the Polynomials |
18:42 | |
| |
Example 2: Divide the Polynomials |
20:54 | |
| |
Example 3: Divide the Polynomials |
23:28 | |
| |
Example 4: Divide the Polynomials |
28:52 | |
|
Adding and Subtracting Rational Expressions with Like Denominators |
17:38 |
| |
Intro |
0:00 | |
| |
Adding with Like Denominators |
0:09 | |
| |
| Example: Regular Numbers |
0:19 | |
| |
| Example: Rational Expressions |
1:05 | |
| |
Subtracting with Like Denominators |
2:35 | |
| |
| Example: Regular Fractions |
2:52 | |
| |
| Example: Rational Expressions |
3:05 | |
| |
Denominators That Are Additive Inverses |
4:08 | |
| |
| What Are Additive Inverses |
4:35 | |
| |
| Example |
5:53 | |
| |
Example 1: Add Rational Expressions |
7:54 | |
| |
Example 2: Subtract Rational Expressions |
8:43 | |
| |
Example 3: Add Rational Expressions |
10:39 | |
| |
Example 4: Subtract Rational Expressions |
11:48 | |
|
Adding and Subtracting Rational Expressions with Unlike Denominators |
37:16 |
| |
Intro |
0:00 | |
| |
Least Common Multiple of Polynomials |
0:21 | |
| |
| Example: Regular Fractions |
0:42 | |
| |
| Example: Rational Expressions |
5:18 | |
| |
Equivalent Rational Expressions Using LCM |
7:23 | |
| |
| Example |
8:09 | |
| |
Adding and Subtracting |
14:24 | |
| |
| Summary of Techniques |
14:32 | |
| |
Example 1: Find the LCM |
15:09 | |
| |
Example 2: Add Rational Expressions |
17:53 | |
| |
Example 3: Subtract Rational Expressions |
22:19 | |
| |
Example 4: Add Rational Expressions |
30:44 | |
|
Complex Fractions |
25:38 |
| |
Intro |
0:00 | |
| |
Mixed Expressions |
0:10 | |
| |
| Analogy to Mixed Fractions |
0:23 | |
| |
| Polynomial and Rational Expression |
0:59 | |
| |
| Example: Combining |
1:55 | |
| |
| Converting to Rational Expression |
2:29 | |
| |
Complex Fraction |
5:16 | |
| |
| Examples |
5:30 | |
| |
Simplifying Complex Fractions |
6:08 | |
| |
| Example |
6:27 | |
| |
Example 1: Write as Rational Expression |
9:43 | |
| |
Example 2: Simplify Complex Fractions |
12:44 | |
| |
Example 3: Simplify Complex Fractions |
15:03 | |
| |
Example 4: Simplify Complex Fractions |
19:55 | |
|
Rational Equations |
38:09 |
| |
Intro |
0:00 | |
| |
Definition |
0:11 | |
| |
| Example: Cross Multiplication |
0:39 | |
| |
| Example: Rational Expressions |
1:13 | |
| |
Solving Rational Equations |
3:12 | |
| |
| Multiply by LCM of Denominators |
3:33 | |
| |
| Example |
4:02 | |
| |
Work Problems |
7:19 | |
| |
| Example: Complete a Project |
8:17 | |
| |
Extraneous Solutions |
12:41 | |
| |
| Check All Solutions |
13:18 | |
| |
| Example |
13:54 | |
| |
Example 1: Solve Rational Equation |
17:28 | |
| |
Example 2: Solve Rational Equation |
19:45 | |
| |
Example 3: Work Problem |
27:15 | |
| |
Example 4: Solve Rational Equation |
31:10 | |