Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 5 - Linear Functions - 5-6 Parallel and Perpendicular Lines - Practice and Problem-Solving Exercises - Page 331: 22



Work Step by Step

Write given equation in standard form: y=$\frac{1}{2}$-$\frac{7}{2}$ and you are given the points (-3,2). We know that the perpendicular slope is the negative reciprocal of the first equation so it is -2. So the equation of the perpendicular line is y=-2x+b. Substitute the given points to solve for b: y=-2x+b 2=-2(-3)+b 2=6+b -4=b So the equation would be y=-2x-4
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