Section 1: Basic Concepts |
|
Variables and Expressions |
24:05 |
| |
Intro |
0:00 | |
| |
Definitions |
0:20 | |
| |
| Variable |
0:27 | |
| |
| Algebraic Expression |
2:21 | |
| |
| Arithmetic Operations |
2:27 | |
| |
Lecture Example 1 |
7:16 | |
| |
Lecture Example 2 |
8:27 | |
| |
Additional Example 3 |
6:30 | |
| |
Additional Example 4 |
6:19 | |
|
Order of Operations |
22:16 |
| |
Intro |
0:00 | |
| |
| Why We Need It |
0:15 | |
| |
| Example: Order of Operations |
1:25 | |
| |
Procedure To Evaluate |
3:22 | |
| |
Lecture Example 1 |
6:45 | |
| |
Lecture Example 2 |
10:55 | |
| |
Additional Example 3 |
3:32 | |
| |
Additional Example 4 |
4:27 | |
|
The Distributive Property |
16:27 |
| |
Intro |
0:00 | |
| |
The Distributive Property |
0:20 | |
| |
| Extension to Several Numbers |
2:05 | |
| |
Lecture Example 1 |
2:50 | |
| |
Lecture Example 2 |
5:15 | |
| |
Additional Example 3 |
3:10 | |
| |
Additional Example 4 |
4:48 | |
|
The Real Number System |
22:35 |
| |
Intro |
0:00 | |
| |
The Real Number System |
0:21 | |
| |
| Natural Numbers |
0:22 | |
| |
| Whole Numbers |
0:37 | |
| |
| Integers |
1:06 | |
| |
| Rational Numbers |
1:35 | |
| |
| Example: Decimals |
2:07 | |
| |
The Real Number System, Cont. |
5:00 | |
| |
| Square Roots |
5:10 | |
| |
| Principle Square Root |
6:04 | |
| |
| Irrational Numbers |
6:35 | |
| |
The Real Number System, Cont. |
9:11 | |
| |
| Picture Representation |
9:25 | |
| |
Lecture Example 1 |
11:54 | |
| |
Lecture Example 2 |
14:10 | |
| |
Additional Example 3 |
1:00 | |
| |
Additional Example 4 |
4:45 | |
|
Functions and Graphs |
27:49 |
| |
Intro |
0:00 | |
| |
Functions |
0:30 | |
| |
| Definition |
0:30 | |
| |
| Example: Square Roots |
1:18 | |
| |
| Example: Gas Prices |
3:20 | |
| |
Graphs |
4:03 | |
| |
| Definition |
4:03 | |
| |
| Example: Square Roots |
4:48 | |
| |
Domain and Range |
9:30 | |
| |
| Definition |
9:30 | |
| |
| Example: Square Roots |
10:01 | |
| |
Lecture Example 1 |
11:22 | |
| |
Lecture Example 2 |
13:58 | |
| |
Additional Example 3 |
3:59 | |
| |
Additional Example 4 |
5:26 | |
Section 2: Solving Linear Equations |
|
From Sentences to Equations |
22:13 |
| |
Intro |
0:00 | |
| |
Strategy |
1:40 | |
| |
| Using Variables |
1:55 | |
| |
| Translating Phrases |
2:18 | |
| |
| Equality |
3:00 | |
| |
Lecture Example 1 |
3:52 | |
| |
Lecture Example 2 |
8:36 | |
| |
Additional Example 3 |
5:24 | |
| |
Additional Example 4 |
4:22 | |
|
Addition and Subtraction Techniques |
14:39 |
| |
Intro |
0:00 | |
| |
Techniques |
0:22 | |
| |
| Adding the Same Number |
0:28 | |
| |
| Example |
0:47 | |
| |
| Subtracting the Same Number |
1:50 | |
| |
| Example |
1:54 | |
| |
Strategy |
2:36 | |
| |
| Isolate the Variable |
2:46 | |
| |
Lecture Example 1 |
3:48 | |
| |
Lecture Example 2 |
5:41 | |
| |
Additional Example 3 |
2:30 | |
| |
Additional Example 4 |
4:58 | |
|
Multiplication and Division Techniques |
19:19 |
| |
Intro |
0:00 | |
| |
Techniques |
0:16 | |
| |
| Multiplied by the Same Number |
0:18 | |
| |
| Example |
0:26 | |
| |
| Divided by the Same Number |
1:23 | |
| |
| Non-zero Exception |
1:28 | |
| |
| Dividing by Zero |
2:17 | |
| |
| Example |
3:01 | |
| |
Strategy |
3:51 | |
| |
| Isolate the Variable |
3:55 | |
| |
Lecture Example 1 |
4:55 | |
| |
Lecture Example 2 |
6:40 | |
| |
Additional Example 3 |
3:55 | |
| |
Additional Example 4 |
4:54 | |
|
Techniques for Multi-Step Equations |
19:13 |
| |
Intro |
0:00 | |
| |
What are Multi-step Equations? |
0:08 | |
| |
Strategy |
0:30 | |
| |
| Opposite Operations |
0:50 | |
| |
| Last Operation |
1:18 | |
| |
Lecture Example 1 |
1:54 | |
| |
Lecture Example 2 |
4:16 | |
| |
Additional Example 3 |
7:19 | |
| |
Additional Example 4 |
4:34 | |
|
When the Variable is on Both Sides of the Equation |
24:16 |
| |
Intro |
0:00 | |
| |
Solving More Complicated Equations |
0:17 | |
| |
| Distributive Property and Grouping Symbols |
0:36 | |
| |
| Combining |
0:51 | |
| |
| Moving Variables to One Side |
1:06 | |
| |
Possible Outcomes |
1:50 | |
| |
| Exactly One Solution |
2:02 | |
| |
| No Solution |
2:35 | |
| |
| Example |
2:51 | |
| |
| Identities-True for All Real Numbers |
4:26 | |
| |
| Example |
4:45 | |
| |
Lecture Example 1 |
6:17 | |
| |
Lecture Example 2 |
9:39 | |
| |
Additional Example 3 |
4:19 | |
| |
Additional Example 4 |
5:27 | |
|
Ratios and Proportions |
22:39 |
| |
Intro |
0:00 | |
| |
Definitions |
0:16 | |
| |
| Ratio |
0:21 | |
| |
| Proportion |
0:56 | |
| |
| Example |
1:13 | |
| |
Cross Products |
3:00 | |
| |
| Example: Original Proportion |
3:12 | |
| |
| Example 2 |
5:24 | |
| |
Rates |
6:55 | |
| |
| Example: Gas |
7:22 | |
| |
| Example 2: Apples |
7:43 | |
| |
| Example 3: Speed |
8:16 | |
| |
| Example 4: Cookies |
8:46 | |
| |
Lecture Example 1 |
9:17 | |
| |
Lecture Example 2 |
11:53 | |
| |
Additional Example 3 |
4:42 | |
| |
Additional Example 4 |
4:25 | |
|
Applications of Percents |
20:38 |
| |
Intro |
0:00 | |
| |
Definitions |
0:22 | |
| |
| Percent of Change |
0:23 | |
| |
| Percent of Increase |
0:42 | |
| |
| Percent of Decrease |
0:55 | |
| |
Examples of Percent of Change |
1:14 | |
| |
| Sales Tax |
1:21 | |
| |
| Discount |
1:57 | |
| |
Lecture Example 1 |
2:51 | |
| |
Lecture Example 2 |
4:46 | |
| |
Additional Example 3 |
3:25 | |
| |
Additional Example 4 |
8:45 | |
|
More Than One Variable |
22:34 |
| |
Intro |
0:00 | |
| |
More Than One Variable |
0:21 | |
| |
Strategy |
1:02 | |
| |
Typical Application |
1:33 | |
| |
| Example: Circumference |
1:48 | |
| |
| Example: Perimeter |
2:21 | |
| |
Lecture Example 1 |
2:53 | |
| |
Lecture Example 2 |
5:43 | |
| |
Additional Example 3 |
3:54 | |
| |
Additional Example 4 |
8:04 | |
Section 3: Functions |
|
Relations |
24:39 |
| |
Intro |
0:00 | |
| |
Definition |
0:17 | |
| |
| List, Table, Graph |
0:42 | |
| |
| Example: List |
0:56 | |
| |
| Example: Table |
2:00 | |
| |
| Example: Graph |
2:47 | |
| |
Domain and Range |
4:10 | |
| |
Inverse of a Relation |
5:01 | |
| |
| Example |
5:21 | |
| |
Lecture Example 1 |
7:26 | |
| |
Lecture Example 2 |
10:39 | |
| |
Additional Example 3 |
5:42 | |
| |
Additional Example 4 |
5:26 | |
|
Functions |
19:03 |
| |
Intro |
0:00 | |
| |
Definition |
0:21 | |
| |
| Function |
0:24 | |
| |
| Example: Relation |
0:50 | |
| |
Vertical Line Test |
1:48 | |
| |
| Example: Pass |
2:02 | |
| |
| Example 2: Fail |
3:32 | |
| |
| Example 3: Fail |
4:18 | |
| |
Function Notation |
5:33 | |
| |
| Proper Notation |
5:43 | |
| |
| Example |
6:29 | |
| |
| Domain and Range |
7:32 | |
| |
Lecture Example 1 |
8:06 | |
| |
Lecture Example 2 |
9:39 | |
| |
Additional Example 3 |
1:37 | |
| |
Additional Example 4 |
5:08 | |
|
Linear Functions |
20:03 |
| |
Intro |
0:00 | |
| |
Definition |
0:12 | |
| |
| Linear Equation |
0:15 | |
| |
| Example: A and B not zero |
0:27 | |
| |
| Example: B is zero |
0:58 | |
| |
| Example: A is zero |
1:13 | |
| |
Graph and Intercepts |
1:43 | |
| |
| Straight Line |
1:52 | |
| |
| x-intercepts, y-intercepts |
2:19 | |
| |
| Example: Intercepts |
2:27 | |
| |
Graphing Linear Equations |
4:19 | |
| |
| Example |
4:40 | |
| |
Linear Functions |
7:23 | |
| |
| Example |
8:00 | |
| |
Lecture Example 1 |
10:11 | |
| |
Lecture Example 2 |
12:42 | |
| |
Additional Example 3 |
1:15 | |
| |
Additional Example 4 |
2:34 | |
Section 4: Linear Functions and their Graphs |
|
Slope and Rate of Change |
23:58 |
| |
Intro |
0:00 | |
| |
Rate of Change |
0:27 | |
| |
| Independent Variable |
0:37 | |
| |
| Dependent Variable |
0:51 | |
| |
Slope |
2:02 | |
| |
| Example |
2:19 | |
| |
| Steepness of the Line |
4:56 | |
| |
Possible Slopes |
5:58 | |
| |
| Positive |
6:13 | |
| |
| Negative |
6:34 | |
| |
| Zero |
6:50 | |
| |
| Undefined |
7:11 | |
| |
Lecture Example 1 |
8:03 | |
| |
Lecture Example 2 |
10:34 | |
| |
Additional Example 3 |
3:50 | |
| |
Additional Example 4 |
5:46 | |
|
Direct Variation |
13:18 |
| |
Intro |
0:00 | |
| |
Definitions |
0:13 | |
| |
| Direct Variation |
0:14 | |
| |
| Constant of Variation |
0:26 | |
| |
Graph |
1:02 | |
| |
| Example: Positive and Negative k |
1:18 | |
| |
Applications |
1:49 | |
| |
Lecture Example 1 |
2:16 | |
| |
Lecture Example 2 |
4:39 | |
| |
Additional Example 3 |
2:53 | |
| |
Additional Example 4 |
4:07 | |
|
Slope Intercept Form of an Equation |
17:11 |
| |
Intro |
0:00 | |
| |
Slope Intercept Form |
0:16 | |
| |
| Example |
0:37 | |
| |
Lecture Example 1 |
2:24 | |
| |
Lecture Example 2 |
5:43 | |
| |
Additional Example 3 |
2:37 | |
| |
Additional Example 4 |
5:29 | |
|
Point Slope Form of an Equation |
10:32 |
| |
Intro |
0:00 | |
| |
Point Slope Form |
0:11 | |
| |
| Example |
0:50 | |
| |
Lecture Example 1 |
2:03 | |
| |
Lecture Example 2 |
3:03 | |
| |
Additional Example 3 |
2:24 | |
| |
Additional Example 4 |
3:07 | |
|
Parallel and Perpendicular Lines |
18:15 |
| |
Intro |
0:00 | |
| |
Parallel Lines |
0:12 | |
| |
| Example: Non-vertical Lines |
0:32 | |
| |
Perpendicular lines |
1:57 | |
| |
| Example: Slope Product is -1 |
2:15 | |
| |
| Negative Reciprocal |
3:08 | |
| |
Lecture Example 1 |
3:58 | |
| |
Lecture Example 2 |
7:12 | |
| |
Additional Example 3 |
2:58 | |
| |
Additional Example 4 |
4:54 | |
Section 5: Systems of Equations |
|
Graphing Systems of Equations |
20:01 |
| |
Intro |
0:00 | |
| |
System of Equations |
0:09 | |
| |
| Definition |
0:15 | |
| |
| Solution |
0:59 | |
| |
Solving by Graphing |
1:27 | |
| |
| Example |
2:33 | |
| |
Number of Solutions |
3:37 | |
| |
| Independent |
3:58 | |
| |
| Dependent |
4:03 | |
| |
| Inconsistent |
4:08 | |
| |
| Example: 1 Solution |
4:15 | |
| |
| Example: No Solution |
4:34 | |
| |
| Example: Infinite Solution |
4:51 | |
| |
Lecture Example 1 |
5:39 | |
| |
Lecture Example 2 |
8:51 | |
| |
Additional Example 3 |
3:37 | |
| |
Additional Example 4 |
3:56 | |
|
Solving by Substitution |
24:12 |
| |
Intro |
0:00 | |
| |
Substitution |
0:17 | |
| |
| Example |
0:51 | |
| |
Number of Solutions |
1:43 | |
| |
| Infinite Solutions |
2:14 | |
| |
| No Solutions |
2:50 | |
| |
Lecture Example 1 |
3:40 | |
| |
Lecture Example 2 |
6:56 | |
| |
Additional Example 3 |
6:38 | |
| |
Additional Example 4 |
5:18 | |
|
Solving by Addition and Subtraction |
12:18 |
| |
Intro |
0:00 | |
| |
Fundamental Principle |
0:18 | |
| |
| Adding or Subtracting |
0:50 | |
| |
Lecture Example 1 |
1:23 | |
| |
Lecture Example 2 |
4:03 | |
| |
Additional Example 3 |
2:31 | |
| |
Additional Example 4 |
2:21 | |
|
Solving by Multiplication |
19:11 |
| |
Intro |
0:00 | |
| |
Fundamental Principle |
0:24 | |
| |
| Multiplication |
0:28 | |
| |
Lecture Example 1 |
1:40 | |
| |
Lecture Example 2 |
6:36 | |
| |
Additional Example 3 |
3:50 | |
| |
Additional Example 4 |
5:00 | |
|
Applications: Systems of Equations |
18:24 |
| |
Intro |
0:00 | |
| |
Solving Systems of Equations |
0:08 | |
| |
| Graphing |
0:32 | |
| |
| Addition |
0:50 | |
| |
| Subtraction |
1:04 | |
| |
| Multiplication |
1:13 | |
| |
| Substitution |
1:30 | |
| |
Lecture Example 1 |
3:20 | |
| |
Lecture Example 2 |
4:27 | |
| |
Additional Example 3 |
3:54 | |
| |
Additional Example 4 |
7:22 | |
Section 6: Inequalities |
|
Inequalities: Addition and Subtraction Techniques |
10:08 |
| |
Intro |
0:00 | |
| |
Fundamental Principle |
0:11 | |
| |
Solutions of Inequalities |
0:55 | |
| |
| Inequality |
1:02 | |
| |
| Set Builder Notation |
1:13 | |
| |
| Example |
1:15 | |
| |
| Graph on a Number Line |
2:13 | |
| |
Lecture Example 1 |
3:29 | |
| |
Lecture Example 2 |
5:14 | |
| |
Additional Example 3 |
1:39 | |
| |
Additional Example 4 |
1:50 | |
|
Inequalities: Multiplication and Division Techniques |
10:59 |
| |
Intro |
0:00 | |
| |
Fundamental Principle |
0:11 | |
| |
| Example: Positive Number |
0:51 | |
| |
Fundamental Principle |
1:35 | |
| |
| Example: Negative Number |
1:50 | |
| |
Lecture Example 1 |
4:05 | |
| |
Lecture Example 2 |
5:12 | |
| |
Additional Example 3 |
1:39 | |
| |
Additional Example 4 |
2:49 | |
|
Techniques for Multi-Step Inequalities |
16:21 |
| |
Intro |
0:00 | |
| |
Similarity to Multi-step Equations |
0:15 | |
| |
Inequalities Containing Grouping Symbols |
1:03 | |
| |
Special Cases |
1:26 | |
| |
| Solution: All Real Numbers |
1:40 | |
| |
| Solution: Empty Set |
2:16 | |
| |
Lecture Example 1 |
2:54 | |
| |
Lecture Example 2 |
4:37 | |
| |
Additional Example 3 |
4:03 | |
| |
Additional Example 4 |
6:02 | |
|
Compound Inequalities |
23:00 |
| |
Intro |
0:00 | |
| |
Inequalities Combined by 'And' |
0:12 | |
| |
| Three Ways to Write Solution Set |
1:41 | |
| |
| Set Notation |
2:01 | |
| |
| Inequalities |
2:12 | |
| |
| Graph |
2:29 | |
| |
| Examples |
2:31 | |
| |
Inequalities Combined by 'Or' |
4:45 | |
| |
| Example |
5:59 | |
| |
Lecture Example 1 |
7:40 | |
| |
Lecture Example 2 |
10:55 | |
| |
Additional Example 3 |
4:04 | |
| |
Additional Example 4 |
4:32 | |
|
Equations with Absolute Values |
23:13 |
| |
Intro |
0:00 | |
| |
Absolute Value |
0:15 | |
| |
| Example: Distance |
1:00 | |
| |
Absolute Value Function |
2:34 | |
| |
| Example |
3:05 | |
| |
Lecture Example 1 |
4:57 | |
| |
Lecture Example 2 |
8:28 | |
| |
Additional Example 3 |
4:55 | |
| |
Additional Example 4 |
6:34 | |
|
Inequalities with Absolute Values |
17:34 |
| |
Intro |
0:00 | |
| |
Inequalities of the Form |x|< n |
0:22 | |
| |
Inequalities of the Form |x|> n |
3:30 | |
| |
Lecture Example 1 |
5:33 | |
| |
Lecture Example 2 |
8:50 | |
| |
Additional Example 3 |
2:50 | |
| |
Additional Example 4 |
3:22 | |
|
Graphing Inequalities with Two Variables |
30:50 |
| |
Intro |
0:00 | |
| |
Graph |
0:22 | |
| |
| Half-Plane |
0:28 | |
| |
| Boundary |
1:37 | |
| |
Technique for Graphing |
3:14 | |
| |
| Example |
4:01 | |
| |
| Dashed Line |
5:13 | |
| |
| Solid Line |
6:30 | |
| |
Technique for Graphing, cont. |
8:58 | |
| |
| Example |
9:09 | |
| |
Lecture Example 1 |
12:19 | |
| |
Lecture Example 2 |
15:48 | |
| |
Additional Example 3 |
4:04 | |
| |
Additional Example 4 |
6:18 | |
|
Graphing Systems of Inequalities |
27:38 |
| |
Intro |
0:00 | |
| |
System of Inequalities |
0:26 | |
| |
| Example |
0:43 | |
| |
Solving a System of Inequalities |
1:17 | |
| |
| Example |
1:41 | |
| |
Lecture Example 1 |
2:58 | |
| |
Lecture Example 2 |
7:22 | |
| |
Additional Example 3 |
6:31 | |
| |
Additional Example 4 |
8:15 | |
Section 7: Polynomials |
|
Multiplying Monomials |
19:55 |
| |
Intro |
0:00 | |
| |
What is a Monomial? |
0:43 | |
| |
| Constant |
1:11 | |
| |
| Power |
1:48 | |
| |
| Exponent and Base |
2:39 | |
| |
Properties of Exponents |
3:02 | |
| |
Simplified Form |
5:52 | |
| |
| Each Base Appears Exactly Once |
6:02 | |
| |
| No Powers of Powers |
6:18 | |
| |
| All Fractions Simplified |
6:33 | |
| |
Lecture Example 1 |
6:43 | |
| |
Lecture Example 2 |
8:12 | |
| |
Additional Example 3 |
3:25 | |
| |
Additional Example 4 |
6:15 | |
|
Dividing Monomials |
23:09 |
| |
Intro |
0:00 | |
| |
Properties of Exponents |
0:26 | |
| |
| Example |
1:07 | |
| |
Properties of Exponents, cont |
2:18 | |
| |
| Example |
3:18 | |
| |
Properties of Exponents, cont |
4:55 | |
| |
| Example |
5:32 | |
| |
Properties of Exponents, cont |
8:49 | |
| |
Lecture Example 1 |
11:43 | |
| |
Lecture Example 2 |
13:13 | |
| |
Additional Example 3 |
3:11 | |
| |
Additional Example 4 |
4:22 | |
|
Polynomials |
16:35 |
| |
Intro |
0:00 | |
| |
What is a Polynomial |
0:45 | |
| |
| Monomial |
0:47 | |
| |
| Example: Trinomial |
1:46 | |
| |
| Trinomial |
2:10 | |
| |
| Example: Binomial |
2:21 | |
| |
| Binomial |
2:30 | |
| |
Degree of a Polynomial |
4:28 | |
| |
| Example |
4:40 | |
| |
Ordering Polynomials |
6:45 | |
| |
| Example |
7:27 | |
| |
Lecture Example 1 |
9:27 | |
| |
Lecture Example 2 |
10:31 | |
| |
Additional Example 3 |
1:41 | |
| |
Additional Example 4 |
2:32 | |
|
Adding and Subtracting Polynomials |
22:00 |
| |
Intro |
0:00 | |
| |
Adding Polynomials |
0:36 | |
| |
| Like Polynomials |
0:48 | |
| |
| Example |
1:04 | |
| |
Subtracting Polynomials |
3:55 | |
| |
| Example |
4:01 | |
| |
Lecture Example 1 |
5:30 | |
| |
Lecture Example 2 |
8:04 | |
| |
Additional Example 3 |
4:17 | |
| |
Additional Example 4 |
7:14 | |
|
Multiplying Polynomials by Monomials |
24:08 |
| |
Intro |
0:00 | |
| |
Distributive Property |
0:22 | |
| |
| Basic Principle |
0:42 | |
| |
| Example |
1:04 | |
| |
Solving Equations |
3:25 | |
| |
Lecture Example 1 |
4:26 | |
| |
Lecture Example 2 |
7:51 | |
| |
Additional Example 3 |
6:31 | |
| |
Additional Example 4 |
3:52 | |
|
Multiplying Polynomials |
26:37 |
| |
Intro |
0:00 | |
| |
Distributive Property |
0:23 | |
| |
| Example |
0:34 | |
| |
| Example |
1:55 | |
| |
Foil Method |
5:17 | |
| |
Lecture Example 1 |
7:44 | |
| |
Lecture Example 2 |
10:15 | |
| |
Additional Example 3 |
5:38 | |
| |
Additional Example 4 |
6:56 | |
|
Special Products |
19:40 |
| |
Intro |
0:00 | |
| |
Square of a Sum |
0:12 | |
| |
| Perfect Square Trinomial |
1:43 | |
| |
| Example |
2:13 | |
| |
| FOIL Technique |
3:09 | |
| |
Square of a Difference |
3:38 | |
| |
| Example |
5:27 | |
| |
Difference of Two Squares |
6:12 | |
| |
| Example |
7:43 | |
| |
Lecture Example 1 |
8:51 | |
| |
Lecture Example 2 |
11:06 | |
| |
Additional Example 3 |
1:55 | |
| |
Additional Example 4 |
4:24 | |
Section 8: Factoring |
|
Factoring Monomials |
27:25 |
| |
Intro |
0:00 | |
| |
Prime and Composite Numbers |
1:01 | |
| |
| Prime Number |
1:23 | |
| |
| Composite Number |
3:03 | |
| |
Factored Forms |
4:07 | |
| |
| Prime Factored Form |
4:19 | |
| |
| Factored Form |
5:40 | |
| |
Greatest Common Factor (GCF) |
7:41 | |
| |
| Example |
8:00 | |
| |
| GCF of Monomials |
10:07 | |
| |
| Example |
10:18 | |
| |
Lecture Example 1 |
12:52 | |
| |
Lecture Example 2 |
17:08 | |
| |
Additional Example 3 |
4:01 | |
| |
Additional Example 4 |
4:29 | |
|
Factoring Using Greatest Common Factor (GCF) |
26:03 |
| |
Intro |
0:00 | |
| |
Distributive Property |
0:19 | |
| |
| Factor Out an Expression |
1:21 | |
| |
| Example |
2:52 | |
| |
Factoring by Grouping |
4:40 | |
| |
| Example |
6:00 | |
| |
Zero Product Property |
8:24 | |
| |
| Example |
9:03 | |
| |
Lecture Example 1 |
11:19 | |
| |
Lecture Example 2 |
14:19 | |
| |
Additional Example 3 |
4:16 | |
| |
Additional Example 4 |
2:27 | |
|
Factoring Trinomials with Leading Coefficient 1 |
27:37 |
| |
Intro |
0:00 | |
| |
Factoring Trinomials |
0:23 | |
| |
| Example |
2:06 | |
| |
Rules for Signs |
6:27 | |
| |
| Both Positive |
6:41 | |
| |
| Both Negative |
7:00 | |
| |
| Opposite Signs |
7:33 | |
| |
Solving Equations |
8:26 | |
| |
| Example |
8:59 | |
| |
Lecture Example 1 |
11:14 | |
| |
Lecture Example 2 |
14:01 | |
| |
Additional Example 3 |
3:56 | |
| |
Additional Example 4 |
6:39 | |
|
Factoring General Trinomials |
34:11 |
| |
Intro |
0:00 | |
| |
Factoring Trinomials |
0:40 | |
| |
| Example: List |
1:38 | |
| |
Grouping |
5:46 | |
| |
| Example |
5:55 | |
| |
Rules for Signs |
9:04 | |
| |
| Example |
9:22 | |
| |
Greatest Common Factor (GCF) |
10:29 | |
| |
Prime Polynomials |
11:03 | |
| |
| Example |
11:32 | |
| |
Solving Equations |
12:32 | |
| |
Lecture Example 1 |
13:11 | |
| |
Lecture Example 2 |
18:37 | |
| |
Additional Example 3 |
3:18 | |
| |
Additional Example 4 |
6:25 | |
|
Factoring the Difference of Two Squares |
20:22 |
| |
Intro |
0:00 | |
| |
Difference of Two Squares |
0:40 | |
| |
| Example |
1:56 | |
| |
Factoring Using Several Techniques |
3:33 | |
| |
Solving Equations |
4:11 | |
| |
Lecture Example 1 |
4:55 | |
| |
Lecture Example 2 |
6:05 | |
| |
Additional Example 3 |
5:21 | |
| |
Additional Example 4 |
5:43 | |
|
Factoring Perfect Squares |
18:07 |
| |
Intro |
0:00 | |
| |
Perfect Squares |
0:10 | |
| |
| Perfect Square Trinomials |
1:17 | |
| |
Solving Equations |
2:53 | |
| |
| Square Root Property |
2:58 | |
| |
| Example |
3:06 | |
| |
Lecture Example 1 |
4:23 | |
| |
Lecture Example 2 |
6:56 | |
| |
Additional Example 3 |
3:01 | |
| |
Additional Example 4 |
4:06 | |
Section 9: Quadratic Functions |
|
Graphing Quadratic Functions |
28:05 |
| |
Intro |
0:00 | |
| |
Parabolas |
0:09 | |
| |
Parabolas That Open Upward |
3:58 | |
| |
| Minimum |
4:26 | |
| |
Parabolas That Open Downward |
4:54 | |
| |
| Maximum |
5:09 | |
| |
Vertex |
7:28 | |
| |
| Example |
8:01 | |
| |
Axis of Symmetry |
11:03 | |
| |
Lecture Example 1 |
13:27 | |
| |
Lecture Example 2 |
17:17 | |
| |
Additional Example 3 |
2:07 | |
| |
Additional Example 4 |
4:50 | |
|
Solving Equations by Graphing |
28:18 |
| |
Intro |
0:00 | |
| |
Solving a Quadratic Equation |
0:22 | |
| |
| Example |
0:50 | |
| |
Two Distinct Solutions/Roots |
5:08 | |
| |
One Double Root |
5:58 | |
| |
No Real Roots |
7:14 | |
| |
Estimating Solutions |
8:00 | |
| |
| Example |
8:16 | |
| |
| Example |
8:31 | |
| |
Lecture Example 1 |
9:43 | |
| |
Lecture Example 2 |
14:10 | |
| |
Additional Example 3 |
4:30 | |
| |
Additional Example 4 |
5:19 | |
|
Solving Equations by Completing the Square |
25:07 |
| |
Intro |
0:00 | |
| |
Perfect Square Trinomials |
0:22 | |
| |
| Example |
1:12 | |
| |
Completing the Square |
3:17 | |
| |
| Example |
3:25 | |
| |
Solving Equations |
6:12 | |
| |
| Example |
6:27 | |
| |
Leading Coefficient is 1 |
8:25 | |
| |
Lecture Example 1 |
10:23 | |
| |
Lecture Example 2 |
14:17 | |
| |
Additional Example 3 |
3:41 | |
| |
Additional Example 4 |
4:21 | |
|
Solving Equations Using the Quadratic Formula |
24:15 |
| |
Intro |
0:00 | |
| |
Quadratic Formula |
1:26 | |
| |
| Example |
2:23 | |
| |
Discriminant |
4:28 | |
| |
| Two Distinct Real Roots |
5:07 | |
| |
| One Double Real Root |
5:23 | |
| |
| No Real Root |
5:42 | |
| |
| Why Does It Work? |
6:05 | |
| |
Lecture Example 1 |
7:53 | |
| |
Lecture Example 2 |
11:50 | |
| |
Additional Example 3 |
5:02 | |
| |
Additional Example 4 |
2:31 | |
Section 10: Radical Expressions and Equations |
|
Simplifying Radical Expressions |
32:40 |
| |
Intro |
0:00 | |
| |
Radical Expressions |
0:14 | |
| |
| Radicand |
0:28 | |
| |
| Example |
0:32 | |
| |
| Simplest Form |
1:07 | |
| |
| Example |
1:35 | |
| |
Product Property |
2:34 | |
| |
| Verifications |
2:47 | |
| |
Square Roots of Variables with Even Powers |
4:27 | |
| |
Quotient Rule |
6:45 | |
| |
| Example |
6:55 | |
| |
Rationalizing Denominators |
7:32 | |
| |
| Example |
7:41 | |
| |
Conjugates |
10:44 | |
| |
| Examples |
10:59 | |
| |
Simplest Radical Form |
14:44 | |
| |
| Example |
15:39 | |
| |
Lecture Example 1 |
17:34 | |
| |
Lecture Example 2 |
19:38 | |
| |
Additional Example 3 |
1:55 | |
| |
Additional Example 4 |
5:51 | |
|
Operations with Radical Expressions |
19:59 |
| |
Intro |
0:00 | |
| |
Adding and Subtracting Radical Expressions |
0:12 | |
| |
| Example |
0:19 | |
| |
Multiplying Radical Expressions |
1:53 | |
| |
| Example |
2:07 | |
| |
Lecture Example 1 |
5:29 | |
| |
Lecture Example 2 |
6:36 | |
| |
Additional Example 3 |
3:24 | |
| |
Additional Example 4 |
6:32 | |
|
Solving Radical Equations |
26:50 |
| |
Intro |
0:00 | |
| |
Radical Equations |
0:22 | |
| |
| Example |
0:33 | |
| |
Solving a Radical Equation |
2:04 | |
| |
| Example |
2:16 | |
| |
Extraneous Solutions |
3:14 | |
| |
| Example |
4:31 | |
| |
Lecture Example 1 |
7:33 | |
| |
Lecture Example 2 |
9:45 | |
| |
Additional Example 3 |
5:04 | |
| |
Additional Example 4 |
8:09 | |
|
Pythagorean Theorem |
19:08 |
| |
Intro |
0:00 | |
| |
Right Triangles |
0:51 | |
| |
| Right Angle |
1:03 | |
| |
| Vertex |
1:11 | |
| |
| Symbol |
1:16 | |
| |
| Hypotenuse and Legs |
1:42 | |
| |
Pythagorean Theorem |
2:27 | |
| |
| Example |
2:47 | |
| |
| Example |
3:12 | |
| |
Pythagorean Triples |
4:03 | |
| |
Converse of the Pythagorean Theorem |
6:39 | |
| |
| Example |
7:41 | |
| |
Lecture Example 1 |
8:57 | |
| |
Lecture Example 2 |
10:05 | |
| |
Additional Example 3 |
2:38 | |
| |
Additional Example 4 |
3:26 | |
|
Distance Formula |
18:27 |
| |
Intro |
0:00 | |
| |
Distance Formula |
0:17 | |
| |
Missing Coordinates |
1:46 | |
| |
| Example |
1:55 | |
| |
Lecture Example 1 |
4:10 | |
| |
Lecture Example 2 |
5:57 | |
| |
Additional Example 3 |
3:20 | |
| |
Additional Example 4 |
5:10 | |
Section 11: Rational Expressions and Equations |
|
Inverse Variation |
14:43 |
| |
Intro |
0:00 | |
| |
Inverse Variation |
0:23 | |
| |
| Constant of Variation |
0:37 | |
| |
Graphing Inverse Variation |
1:08 | |
| |
| Example: Hyperbola |
1:15 | |
| |
Product Rule |
3:54 | |
| |
Lecture Example 1 |
5:31 | |
| |
Lecture Example 2 |
7:43 | |
| |
Additional Example 3 |
2:02 | |
| |
Additional Example 4 |
2:48 | |
|
Rational Expressions |
32:43 |
| |
Intro |
0:00 | |
| |
Rational Expression |
0:55 | |
| |
| Example |
1:03 | |
| |
Excluded Values |
1:29 | |
| |
| Examples |
1:40 | |
| |
Simplifying Rational Expressions |
5:36 | |
| |
| Greatest Common Factor (GCF) |
5:46 | |
| |
| Example |
5:55 | |
| |
| Example |
7:42 | |
| |
Simplifying and Excluded Values |
9:34 | |
| |
Lecture Example 1 |
9:50 | |
| |
Lecture Example 2 |
13:55 | |
| |
Additional Example 3 |
6:07 | |
| |
Additional Example 4 |
9:49 | |
|
Multiplying Rational Expressions |
27:22 |
| |
Intro |
0:00 | |
| |
Procedure |
0:16 | |
| |
| Example |
0:33 | |
| |
Cancel Before Multiplication |
3:44 | |
| |
| Example |
3:55 | |
| |
Rational Expressions Containing Polynomials |
6:19 | |
| |
| Example |
6:26 | |
| |
Lecture Example 1 |
11:09 | |
| |
Lecture Example 2 |
15:39 | |
| |
Additional Example 3 |
4:09 | |
| |
Additional Example 4 |
5:23 | |
|
Dividing Rational Expressions |
28:30 |
| |
Intro |
0:00 | |
| |
Procedure |
0:21 | |
| |
| Example |
0:59 | |
| |
Cancel Before Multiplication |
4:31 | |
| |
| Example |
4:39 | |
| |
Rational Expressions Containing Polynomials |
8:01 | |
| |
| Example |
8:08 | |
| |
Lecture Example 1 |
10:43 | |
| |
Lecture Example 2 |
13:46 | |
| |
Additional Example 3 |
4:38 | |
| |
Additional Example 4 |
7:17 | |
|
Dividing Polynomials |
29:44 |
| |
Intro |
0:00 | |
| |
Dividing a Polynomial by a Monomial |
1:07 | |
| |
| Example |
1:14 | |
| |
Dividing a Polynomial by a Binomial |
3:30 | |
| |
| Example |
3:51 | |
| |
Long Division |
5:20 | |
| |
| Example |
6:25 | |
| |
Missing Terms |
11:11 | |
| |
| Example |
12:25 | |
| |
Lecture Example 1 |
14:54 | |
| |
Lecture Example 2 |
16:35 | |
| |
Additional Example 3 |
3:49 | |
| |
Additional Example 4 |
6:47 | |
|
Adding and Subtracting Rational Expressions with Like Denominators |
16:50 |
| |
Intro |
0:00 | |
| |
Adding with Like Denominators |
0:14 | |
| |
| Example |
0:41 | |
| |
Subtraction with Like Denominators |
2:23 | |
| |
| Example |
2:30 | |
| |
Denominators That Are Additive Inverses |
2:55 | |
| |
| Example |
3:03 | |
| |
Lecture Example 1 |
6:41 | |
| |
Lecture Example 2 |
7:09 | |
| |
Additional Example 3 |
1:13 | |
| |
Additional Example 4 |
6:30 | |
|
Adding and Subtracting Rational Expressions with Unlike Denominators |
36:00 |
| |
Intro |
0:00 | |
| |
Least Common Multiple (LCM) of Polynomials |
0:34 | |
| |
| Example |
0:45 | |
| |
| Example |
1:55 | |
| |
Adding and Subtracting |
4:08 | |
| |
| Example |
4:45 | |
| |
Lecture Example 1 |
8:13 | |
| |
Lecture Example 2 |
10:22 | |
| |
Additional Example 3 |
8:42 | |
| |
Additional Example 4 |
11:40 | |
|
Complex Fractions |
18:43 |
| |
Intro |
0:00 | |
| |
Mixed Expression |
0:08 | |
| |
| Example |
0:30 | |
| |
Complex Fraction |
2:45 | |
| |
| Example |
2:57 | |
| |
| Example |
3:11 | |
| |
| Example |
3:22 | |
| |
Simplifying Complex Fractions |
3:58 | |
| |
| Why Does It Work? |
4:22 | |
| |
Lecture Example 1 |
4:48 | |
| |
Lecture Example 2 |
8:44 | |
| |
Additional Example 3 |
3:33 | |
| |
Additional Example 4 |
4:37 | |
|
Rational Equations |
39:10 |
| |
Intro |
0:00 | |
| |
Definition |
0:08 | |
| |
| Examples |
0:17 | |
| |
Solving Rational Expressions |
3:02 | |
| |
| Example |
3:09 | |
| |
Work Problems |
6:31 | |
| |
| Example |
6:48 | |
| |
Extraneous Solutions |
13:12 | |
| |
| Example |
14:13 | |
| |
Lecture Example 1 |
17:21 | |
| |
Lecture Example 2 |
19:59 | |
| |
Additional Example 3 |
4:13 | |
| |
Additional Example 4 |
7:18 | |