Algebra and Trigonometry 10th Edition

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

Chapter 2 - 2.1 - Linear Equations in Two Variables - 2.1 Exercises - Page 170: 70

Answer

neither

Work Step by Step

Slope of Line 1 : $m_1=\frac{y_2-y_1}{x_2-x_1}=\frac{-1-5}{-2-1}=\frac{-6}{-3}=2$ Slope of Line 1 : $m_2=\frac{y_2-y_1}{x_2-x_1}=\frac{3-(-5)}{1-5}=\frac{8}{-4}=-2$ Hence the lines are neither perpendicular as $m_1 * m_2 \ne -1$ nor parallel as $m_1\ne m_2$.
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.