Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 10 - Section 10.2 - Graphs of Linear Equations and Slope - Exercises - Page 465: 26

Answer

$-3$

Work Step by Step

$m_{1}$ must be equal to $m_{2}$ $m_{1}$=$\frac{-3-2}{2-3}$=$\frac{-5}{-1}$=$5$ $m_{2}$=$\frac{4+1}{-2-x}$=$\frac{5}{-2-x}$ $\frac{5}{-2-x}$=$5$ -10-5x=5 5x=-15 x=-3
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.