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: 20

Answer

Not direct variation

Work Step by Step

Direct variation equations must by in the form $y=ax$. However, due to the -7 (the constant term), the equation cannot be put into this form, making it not direct variation.
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