Answer
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Work Step by Step
The line $x=-5$ is a vertical line. All vertical lines have an undefined slope.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 7 - Cumulative Review - Page 472: 17
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