Answer
False
Work Step by Step
The line
$$y=3x+17$$
has slope $3$.
The line
$$y=-3x+8$$
has slope $-3$.
The product of the two slopes is
$$(3)(-3)=-9\neq -1$$
Therefore, the two lines are not perpendicular.
Calculus with Applications (10th Edition)
by Lial, Margaret L.; Greenwell, Raymond N.; Ritchey, Nathan P.
Published by
Pearson
ISBN 10:
0321749006
ISBN 13:
978-0-32174-900-0
Chapter 1 - Linear Functions - Chapter Review - Review Exercises - Page 39: 9
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