Wetzel
Math 110
7.1(10.1) – Gaussian Elimination Method
What is a matrix?

· Rows
· Columns
· Size: # of rows x # of columns
· Element
Example One:

Solve this system of equations.
1.) Written as an augmented matrix:

2.) Use the Gaussian Elimination Method to get the matrix into Reduced Row Echelon Form.

3.) Rewrite as a system of equations.

Example Two:

1.) Write as an augmented matrix.

2.) Get into Reduced Row Echelon Form.
3.) Rewrite as a system of equations.
HW: 6th & 5th Ed. #1-25odd