Answer
0
Work Step by Step
m is the slope of the line.
$m=\frac{\triangle y}{\triangle x}=\frac{y_2-y_1}{x_2-x_1}=\frac{b-b}{c-a}=\frac{0}{c-a}=0$ Therefore the slope is 0. (The line is horizontal)
Finite Math and Applied Calculus (6th Edition)
by Waner, Stefan; Costenoble, Steven
Published by
Brooks Cole
ISBN 10:
1133607705
ISBN 13:
978-1-13360-770-0
Chapter 1 - Section 1.3 - Linear Functions and Models - Exercises - Page 90: 54
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