Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 2 Linear Equations and Functions - 2.5 Model Direct Variation - 2.5 Exercises - Skill Practice - Page 109: 3


y = 3x

Work Step by Step

We can see that the slope is 3 by seeing the points (0, 0) & (1, 3) on the graph. Since the line goes through the origin, there is no b-value, and the equation of the line is y = 3x.
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