Algebra 2 (1st Edition)

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

Chapter 7 Exponential and Logarithmic Functions - 7.5 Apply Properties of Logarithms - 7.5 Exercises - Mixed Review - Page 513: 75


$$\begin{pmatrix}11&-1\\ 10&1\end{pmatrix}$$

Work Step by Step

Using the rules of matrices in order to solve, we find: $$\begin{pmatrix}5&-8\\ 12&20\end{pmatrix}+\begin{pmatrix}6&7\\ -2&-19\end{pmatrix}\\ \begin{pmatrix}5+6&\left(-8\right)+7\\ 12+\left(-2\right)&20+\left(-19\right)\end{pmatrix} \\ \begin{pmatrix}11&-1\\ 10&1\end{pmatrix}$$
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