Answer
perpendicular
Work Step by Step
Using the intercepts, the red graph is the graph of $
2x-y=-10
.$
Using the intercepts, the blue graph is the graph of $
2x+4y=2
.$
Based on the graph of the lines above, the two lines are perpendicular.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 3 - Section 3.4 - The Slope of a Line - Exercise Set - Page 165: 114
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