Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 10 - Section 10.3 - Matrices and Systems of Linear Equations - 10.3 Exercises: 22

Answer

$\left[\begin{array}{llll} -5 & 2 & -3 & 3\\ 0 & 1 & -5 & -14\\ -1 & 3 & 1 & 8 \end{array}\right]$

Work Step by Step

$\left[\begin{array}{llll} -5 & 2 & -3 & 3\\ 10+2(-5) & -3+2(2) & 1+2(-3) & -20+2(3)\\ -1 & 3 & 1 & 8 \end{array}\right]$ $\left[\begin{array}{llll} -5 & 2 & -3 & 3\\ 0 & 1 & -5 & -14\\ -1 & 3 & 1 & 8 \end{array}\right]$
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