Answer
$ -1 $
Work Step by Step
When two lines intersect each other at $ 90^{\circ} $ then the product of slopes of both line is equal to $ -1 $
In the question we have two perpendicular lines then the product of the slopes is $ -1 $.
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 2 - Section 2.5 - The Point-Slope Form of the Equation of a Line - Concept and Vocabulary Check - Page 162: 3
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.
