Section Warm-Up
Before we begin working on matrices, work through the following review of evaluating expressions.
Think & Click: Matrix Warm-Up
Complete the Think & Click activity by looking at each problem below, thinking about it, and then clicking on the question to reveal the solution.
Given x = 5 and y = 7 evaluate 2x2y.
2(5)2(7) = 350
Given z = 
and x = 5, evaluate 
.
and x = 5, evaluate .
= 10
