Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 10 - Section 10.3 - Preparing to Do Analytic Proofs - Exercises - Page 458: 4b



Work Step by Step

As we know that the perpendicular lines is equal to m1m2=-1 we know m=$\frac{b-0}{0-a}$ = $\frac{-b}{a}$ therefore $\frac{-b}{a}$*m2 = -1 m2=$\frac{a}{b}$
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