Answer
x=7
Work Step by Step
m=$\frac{y_2-y_1}{x_2-x_1}$
m=$\frac{9+3}{7-7}$
m=$\frac{12}{0}$
m=undefined
Therefore, the equation is x=7.
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
Published by
Brooks Cole
ISBN 10:
0-53449-636-9
ISBN 13:
978-0-53449-636-4
Chapter 1 - Linear Functions - 1.5 Finding Equations of Lines - 1.5 Exercises - Page 76: 35
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