Section Warm-Up
Before we begin working with solving systems of equations with three variables, let’s review some of the skills you learned when working with matrices.
Think & Click: Review of Matrices
Now, you try. Complete the Think & Click activity by looking at each problem below, thinking about it, and then clicking on the question to reveal the solution.
Find the inverse of A.
Multiply AB
Solve this system using matrices:
2x + 5y = 13
x + 3y = 8