Answer
$\begin{bmatrix}
-12&-21\\
7&10
\end{bmatrix}$
Work Step by Step
$AB=\begin{bmatrix}
-3\cdot1+3\cdot-3&-3\cdot5+3\cdot-2\\
1\cdot1+-2\cdot-3&1\cdot5+-2\cdot-2
\end{bmatrix}
=\begin{bmatrix}
-12&-21\\
7&10
\end{bmatrix}$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 3 Linear Systems and Matrices - 3.6 Multiplying Matrices - Guided Practice for Example 2 - Page 196: 3
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