Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 4 - Section 4.1 - Solving Systems of Linear Equations by Graphing - Exercise Set - Page 290: 19

Answer

$(-2,1)$

Work Step by Step

Please see the screenshot of the tables for the two equations. Purple line: $y=2x+5$ Green line: $y=-x-1$ If we replace $x$ and $y$ with $-2$ and $1$, respectively, for the purple line, we have $y=2x+5$ $1=2*(-2)+5$ $1=-4+5$ (true) For the green line: $y=-x-1$ $1=-(-2)-1$ $1=2-1$ (true) Purple line: $m=2$, y-intercept of 5 Green line: $m=-1$, y-intercept of -1
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.