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: 21

Answer

Direct variation

Work Step by Step

This equation can be rewritten as: $$ y=2.5x$$ The given equation is direct variation as y is equal to x times a constant, $a$. In this case, we see that the constant of variation is 2.5, since that is the value x is multiplied by.
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