Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 10 - 10.1 - Matrices and Systems of Equations - 10.1 Exercises - Page 710: 51

Answer

$\begin{bmatrix} 1 & 2 & 0 & 0\\ 0 & 0 & 1 & 0\\ 0 & 0 & 0 & 1\\ 0 & 0 & 0 & 0 \end{bmatrix}$

Work Step by Step

Using a Calculator: $\begin{bmatrix} 1 & 2 & 3 & -5\\ 1 & 2 & 4 & -9\\ -2 & -4 & -4 & 3\\ 4 & 8 & 11 & -14 \end{bmatrix}$ ~ $\begin{bmatrix} 1 & 2 & 0 & 0\\ 0 & 0 & 1 & 0\\ 0 & 0 & 0 & 1\\ 0 & 0 & 0 & 0 \end{bmatrix}$
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