Answer
(a) $y=-10$
(b) $y=-10$
Work Step by Step
(a) A line perpendicular to a line with undefined slope will be horizontal with $m=0$. Together with point $(2,-10)$, we have $y-(-10)=m(x-2)$ or $y=-10$
(b) In standard form, we have $y=-10$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 2 - Graphs and Functions - Chapter 2 Test Prep - Review Exercises - Page 298: 65
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