Answer
Perpendicular
Work Step by Step
Look at the definition of perpendicular lines on page 179. 2 lines are perpendicular to each other if they intersect at a right angle (90 degrees).
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 2 - 2.1 - Linear Equations in Two Variables - 2.1 Exercises - Page 169: 5
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