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 Variations - 2.5 Exercises - Skill Practice - Page 110: 32


Not direct variation

Work Step by Step

The value of $\frac{y}{x}$ for the first term is $ \frac{7}{1}$, but the value for the second term in $\frac{9}{2}$. But, with direct variation, $\underline{all}$ data points have the same value of $\frac{y}{x}$. Hence, this is not direct variation.
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