Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 3 Linear Systems and Matrices - 3.6 Multiplying Matrices - 3.6 Exercises - Skill Practice - Page 199: 13

Answer

\begin{bmatrix} -12 & 15 \\ 8 & -4 \end{bmatrix}

Work Step by Step

$$ \begin{bmatrix} 9 & -3 \\ 0 & 2 \end{bmatrix} \times \begin{bmatrix} 0 & 1 \\ 4 & -2 \end{bmatrix} = \begin{bmatrix} (9\times0)+(-3\times4) & (9\times1)+(-3\times(-2)) \\ (0\times0)+(2\times4) & (0\times1)+(2\times(-2)) \end{bmatrix} = \begin{bmatrix} -12 & 15 \\ 8 & -4 \end{bmatrix} $$
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