Answer
See below.
Work Step by Step
The function $x=a$ has a constant value for all $y$ values. Thus it is a vertical line with an x-intercept of $a$, which is equivalent to saying it is a vertical line passing through $(a,0)$.
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 2 - Section 2.4 - Linear Functions and Slope - Exercise Set - Page 154: 101
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