| Lesson 3.1 | The Coordinate Plane |
| Lesson 3.2 | The Slope of a Line |
| Lesson 3.3 | The Slope Formula and How to Use it |
| Lesson 3.4 | The Slope-Intercept Form of an Equation |
| Lesson 3.5 | Graphing Equations and Inequalities in
Slope-Intercept Form on the Coordinate Plane |
| Lesson 3.6 | Graphing Equations and Inequalities in
Point-Slope Form on the Coordinate Plane |
| Lesson 3.7 | Graphing Equations and Inequalities in
Standard Form on the Coordinate Plane |
| Lesson 3.8 | Solving Linear Systems of Equations in Two Variables Graphically |
| Lesson 3.9 | Solving Systems of Linear Equations in Two Variables By Elimination |
| Lesson 3.10 | Solving Systems of Linear Equations in Two Variables By Substitution |
| Lesson 3.11 | Solving Systems of Linear Equations in Three Variables By Elimination |
| Lesson 3.12 | The Pythagorean Theorem |
| Lesson 3.13 | The Distance Formula |