1. Solving Systems of Equations Using Matrices
Chapter 4, Section 8
Chapter 3, Section 5

2. Writing Systems as Equations

3. Solving Systems Using Matrices
Step 1: Write the system as a matrix equation.
Step 2: Find the inverse of the coefficient matrix.
Step 3: Multiply the inverse by the constant matrix.
The result is the answer.

4. Example – Solve the system.

5. Example – 3x3 System

6. Classwork Page 26 in workbooks Page 18 in workbooks EXIT SLIP:
Odd numbers
Page 18 in workbooks
Even numbers
EXIT SLIP:
Would you rather solve systems using matrices or using the graphing technique? Explain your answer.