Answer
$x=2$
Work Step by Step
An undefined slope means a vertical slope, and since one of the points is (2,3) that means that $x$ is always equal to 2.
So we write $x=2$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 12 - Cumulative Review - Page 912: 11
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