Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 9 - Systems and Matrices - Test - Page 958: 25

Answer

$\begin{bmatrix} -5 & 16\\ 19 & 2 \end{bmatrix}$

Work Step by Step

$\begin{bmatrix} 2 & 1 & -3 \\ 4 & 0 & 5 \end{bmatrix}\begin{bmatrix} 1 & 3 \\ 2 & 4 \\ 3&-2 \end{bmatrix}=\begin{bmatrix} (2)(1)+(1)(2)+(-3)(3) & (2)(3)+(1)(4)+(-3)(-2) \\ (4)(1)+(0)(2)+(5)(3) & (4)(3)+(0)(4)+(5)(-2) \end{bmatrix}=\begin{bmatrix} -5 & 16\\ 19 & 2 \end{bmatrix}$
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