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

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 $y=-10$

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