8.1 Matrices and Systems of EquationsEssential Question: How do you use matrices to solve systems of equations?

What's a matrix?

Matrix Order

________ x _______Ex. 1)

The Augmented Matrix

Watch out for missing variables!

Elementary Row Operations1.

2.

3.

Ex. 2) Elementary Row Operations

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

Ex. 4) Solve the system using matrices.

Assignment:

8.1 p. 582 #4, 5, 9, 11, 15, 19, 53, 59

Quiz Monday!

7.2 Solutions

7.3 Solutions