Answer
$k=5$
Work Step by Step
By using the slope formula, the slope of the line is: $m=\frac{y_2-y_1}{x_2-x_1}\\-0.25=\frac{k-2}{-2-2k}\\-0.25(-2-2k)=k-2\\0.5+0.5k=k-2\\2.5=0.5k\\k=5$
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 87: 40
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