Answer
See below.
Work Step by Step
Perpendicular lines have opposite and reciprocal slopes, thus $m_1=-\frac{1}{m_2}$.
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 - Exercise Set - Page 166: 77
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