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 - 3-8 Slopes of Parallel and Perpendicular Lines - Lesson Check: 2

Answer

Parallel

Work Step by Step

Slope of AB: $m=\frac{5--1}{3-2}$ $m=6$ Slope of CD: $m=\frac{16--2}{10-7}$ $m=6$ Because the slopes are equal, lines AB and CD are parallel.
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