1. 8.1 Matrices and
Systems of Equations
Essential Question: How do you use matrices to
solve systems of equations?

2. What's a matrix?

3. Matrix Order
________ x _______
Ex. 1)

4. The Augmented Matrix
Watch out for missing variables!

5. Elementary Row Operations
1.
2.
3.

6. Ex. 2) Elementary Row Operations

7. Ex. 3) Determine the row operations performed
and fill in the blanks.

8. Ex. 4) Solve the system using matrices.

9. Assignment:
8.1 p. 582 #4, 5, 9,
11, 15, 19, 53, 59
Quiz Monday!

10. 7.2 Solutions
7.3 Solutions