Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 3 - Parallel and Perpendicular Lines - 3-6 Constructing Parallel and Perpendicular Lines - Practice and Problem-Solving Exercises - Page 188: 46



Work Step by Step

$\frac{1-4}{-2-1}$ = $\frac{-3}{-3}$ -3 $\div (-3)$ = 1
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