Algebra 2 (1st Edition)

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



Work Step by Step

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