7.2 Substitution Method of Solving Linear Systems | Mario's Math

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Learn Algebra 1 Video Course Multiple Users

Introduction & Study Suggestions

Intro Video & Study Suggestions (1:07)

Chapter 1

1.1 Evaluating Expressions (6:22)
1.2 Order of Operations (7:49)
1.3 Writing Algebraic Expressions (11:12)
1.4 Writing Equations and Inequalities (8:22)
1.5 Solving Word(Story) Problems (6:34)
1.6 Functions Written as Rules & Tables (7:01)
1.7 Using Graphs to Represent Functions (4:29)

Chapter 2

2.1 Integers, Whole Numbers, Rational Numbers, Absolute Value (5:38)
2.2 Adding Positive & Negative Numbers and Properties (7:50)
2.3 Subtracting Positive & Negative Numbers (6:09)
2.4 Multiplying Positive & Negative Numbers (5:33)
2.5 Distributive Property (6:37)
2.6 Dividing Positive & Negative Numbers (5:12)
2.7 Square Roots (10:06)

Chapter 3

3.1 1-Step Equations (7:19)
3.2 2-Step Equations (6:59)
3.3 Multiple Step Equations (5:51)
3.4 Equations with Variables on Both Sides (8:07)
3.5 Ratios & Proportions (4:23)
3.6 Cross Product (4:45)
3.7 Percent Proportion & Percent Equation (6:28)
3.8 Rewriting Formulas (4:00)

Chapter 4

4.1 Plotting Points (7:01)
4.2 Graphing Linear Equations (10:59)
4.3 Graphing Lines Using Intercepts (7:21)
4.4 Slope (9:51)
4.5 Slope Intercept Form (5:36)
4.6 Direct Variation (7:40)
4.7 Graphing Lines in Function Notation (8:04)

Chapter 5

5.1 Writing Equations in Slope Intercept Form (8:32)
5.2 Writing in Slope Intercept Form (More Challenging) (9:17)
5.3 Writing a Line in Point Slope Form (6:54)
5.4 Writing Equations in Standard Form (7:55)
5.5 Writing Equations of Parallel and Perpendicular Lines (5:40)
5.6 Line of Best Fit (5:02)
5.7 Using Interpolation and Extrapolation (6:51)

Chapter 6

6.1 Solving Inequalities by Adding & Subtracting (6:59)
6.2 Solving Inequalities by Multiplying & Dividing (4:44)
6.3 Solving Multiple Step Inequalities (8:09)
6.4 Solving Compound Inequalities (6:40)
6.5 Solving Absolute Value Equations (6:46)
6.6 How to Solve Absolute Value Inequalities (8:12)
6.7 Graphing Linear Inequalities with 2 Variables (10:04)

Chapter 7

7.1 How to Solve Linear Systems by Graphing (11:15)
7.2 Substitution Method of Solving Linear Systems (13:19)
7.3 Elimination Method of Solving Linear Systems (10:17)
7.4 Special Types of Linear Systems (6:34)
7.5 Systems of Linear Inequalities (7:25)

Chapter 8

8.1 Multiplying with Exponents (6:54)
8.2 Dividing with Exponents (7:07)
8.3 Negative and Zero Exponents (7:36)
8.4 Scientific Notation (8:29)
8.5 Exponential Growth & Decay Functions (18:03)

Chapter 9

9.1 Adding & Subtracting Polynomials (9:36)
9.2 Multiplying Polynomials (10:34)
9.3 Polynomials Special Products (5:26)
9.4 Solving Polynomial Equations in Factored Form (14:54)
9.5 Factoring Trinomials with Leading Coefficient of 1 (9:15)
9.6 Factoring Trinomails with Leading Coefficient Not 1 (9:26)
9.7 How to Factor Special Products (6:31)
9.8 Factoring Completely (9:12)

Chapter 10

10.1 Graphing Parabolas Part 1 (10:35)
10.2 Graphing Parabolas Part 2 (8:49)
10.3 Solving Quadratic Equations with Graphs (6:23)
10.4 Solving Quadratic Equations with Square Roots (6:11)
10.5 Completing the Square (7:08)
10.6 Quadratic Formula (5:51)
10.7 Discriminant (5:18)
10.8 Writing Linear, Quadratic & Exponential Equations (8:07)

Chapter 11

11.1 Graphing Square Root Functions (9:24)
11.2 Simplifying Radicals (13:01)
11.3 Solving Radical Equations (7:30)
11.4 Pythagorean Theorem & Pythagorean Converse (5:13)
11.5 Distance & Midpoint (5:42)

Chapter 12

12.1 Inverse Variation (9:41)
12.2 Graphing Rational Functions (8:07)
12.3 Polynomial Division (5:25)
12.4 Simplifying Rational Expressions (6:36)
12.5 Multiplying and Dividing Rational Expressions (5:32)
12.6 Adding and Subtracting Rational Expressions (7:18)
12.7 Solving Rational Equations (9:14)

Chapter 13

13.1 Probability vs. Odds (5:16)
13.2 Permutations (4:45)
13.3 Combinations (5:39)
13.4 Compound Events (8:20)
13.5 Mean, Median, Mode, Range & Deviation (5:36)
13.6 Stem & Leaf, Histograms, Box & Whisker (6:10)

Closing Remarks & Final Suggestions

Closing Remarks & Suggestions (1:20)

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7.2 Substitution Method of Solving Linear Systems

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