Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 11 - Systems of Equations and Inequalities - Chapter Review - Review Exercises - Page 794: 12

Answer

$\begin{cases} x+2y+5z=-2\\ 5x -3z=8\\ 2x-y =0 \end{cases}$

Work Step by Step

We are given the augmented matrix: $\begin{bmatrix}1&2&5&|&-2\\5&0&-3&|&8\\2&-1&0&|&0\end{bmatrix}$ Write the corresponding system of equations: $\begin{cases} x+2y+5z=-2\\ 5x -3z=8\\ 2x-y =0 \end{cases}$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.

GradeSaver will pay $15 for your literature essays
GradeSaver will pay $25 for your college application essays
GradeSaver will pay $50 for your graduate school essays – Law, Business, or Medical
GradeSaver will pay $10 for your Community Note contributions
GradeSaver will pay $500 for your Textbook Answer contributions