Answer
True
Work Step by Step
A vertical line has an undefined slope because all points have the same x-coordinate, making the "run" equal to zero (the denominator is zero which is not allowed).
Thus, the statement is true,
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter F - Foundations: A Prelude to Functions - Section F.3 Lines - F.3 Assess Your Understanding - Page 29: 4
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