Answer
perpendicular
Work Step by Step
equation 1, 0.5x + y = 0
y = -0.5x
equation 2, 2x - y=10
y =2x -10
m1= -0.5 and m2=2
-0.5*2 = -1
m1*m2 = -1
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Chapter 10 - Review Exercises - Page 490: 11d
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