Answer
$x=-3$
Work Step by Step
The given equation, $
y=5
$, is a horizontal line. The line perpendicular to this that passes through $(
-3,7
)$ is the vertical line $
x=-3
$.
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 3 - Introduction to Graphing - 3.7 Point-Slope Form and Equations of Lines - 3.7 Exercise Set - Page 218: 65
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