1. Warm-up: Solve the system by any method:
CW: 7.1 – 7.3 Quiz Review Systems 2
HW: Study for Quiz next class!

2. Objective:
Review solving systems of equations by the following methods:
Graphing
Substitution
Elimination (Linear Combinations)
Matrices
Gaussian Elimination

3. 2. By Substitution and check
By Elimination (linear combination) and check.
2. By Substitution and check

4. 3. Solve using matrices and then check.
4. Solve by any method and check.

5. 5. Solve by any method and then check.
6. Solve by graphing and check.

6. 7. Solve by Gaussian Elimination and check.

7. Sneedlegrit:
Solve the system by matrices:
CW: 7.1 – 7.3 Quiz Review Systems 2
HW: Study for Quiz next class!