1. Use Inverse Matrices to Solve Linear Systems
Unit 5: Matrices
Students will perform basic operations with matrices.
Find the inverses of two-by-two matrices using pencil and paper, and find inverses of larger matrices using technology.
Students will use matrices to formulate and solve problems.
Represent a system of linear equations as a matrix equation.
Solve matrix equations using inverse matrices.
Use Inverse Matrices to Solve Linear Systems

2. Intro:

3. Intro:

4. Vocabulary

5. To find the inverse of a 2x2:

6. (Ex 1) Find the inverse:

7. Checkpoint 1: Find the inverse

8. (Ex 2) Solve the matrix:

9. (Ex 3) Solve the matrix:

10. Checkpoint 2: Solve the matrix

11. (Ex 4) Solve the linear system:

12. (Ex 5) Solve the linear system:

13. Checkpoint 3: Solve the linear system

14. Assignment
WS 1.11 #1-5 (odd),
7, 8, 9-15 (odd), 16