Answer
-1.8
Work Step by Step
The equation for the slope of a line is:
$$m=\frac{y_2-y_1}{x_2-x_1}=\frac{9-(-9)}{-4-6} =-\frac{18}{10} =-1.8$$
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 - 2.5 Model Direct Variations - 2.5 Exercises - Mixed Review - Page 111: 56
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