Lesson 4-1 (Solving a System by Graphing)
Lesson 4-1 (Solving Systems by Graphing)
Lesson 4-1 (Systems with No Solution)
Lesson 4-2 (Using Substitution Method)
Lesson 4-2 (In-Class Video)
Lesson 4-3 (Elimination Method by Multiplication)
Lesson 4-3 (Elimination Method by Addition)
Lesson 4-3 (In-Class Video) - DAY 1
Lesson 4-4 (In-Class Video)
Lesson 4-5 (How to Solve a System of Inequalities)
Lesson 4-5 (Writing a System of Inequalities)