Lesson 1: Writing Equations Using Symbols (Video)
Lesson 2: Linear and Non-Linear Expressions in x (Video)
Lesson 3: Linear Equations in x (Video)
Lesson 4: Solving a Linear Equation (Video)
Lesson 5: Writing and Solving Linear Equations (Video)
Lesson 6: Solutions of a Linear Equation (Video)
Lesson 7: Classification of Solutions (Video)
Lesson 8: Linear Equations in Disguise (Video)
Lesson 9: An Application of Linear Equations (Video)
Lesson 10: A Critical Look at Proportional Relationships (Video)
Lesson 11: Constant Rate (Video)
Lesson 12: Linear Equations in Two Variables (Video)
Lesson 14: The Graph of a Linear Equation―Horizontal and Vertical Lines (Video)
Lesson 16: The Computation of the Slope of a Non-Vertical Line (Video)
Lesson 17: The Line Joining Two Distinct Points of the Graph y = mx + b has Slope m (Video)
Lesson 18: There is Only One Line Passing through a Given Point with a Given Slope (Video)
Lesson 19: The Graph of a Linear Equation in Two Variables is a Line (Video)
Lesson 20: Every Line is a Graph of a Linear Equation (Video)
Lesson 21: Some Facts about Graphs of a Linear Equation in Two Variables (Video)
Lesson 24: Introduction to Simultaneous Equations (Video)