Answer
-1/2
Work Step by Step
The student flipped the equation, for the student did run over rise instead of rise over run. Thus, the answer should be the reciprocal of the value the student got, making it:
$$ -\frac{1}{2}$$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 2 Linear Equations and Functions - 2.2 Find Slope and Rate of Change - 2.2 Exercises - Skill Practice - Page 86: 16
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