Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 9 - Section 9.4 - Variation and Problem Solving - Exercise Set: 34

Answer

The constant of variation is $0.7$. The variation equation is $y=0.7\sqrt x$.

Work Step by Step

$y=k\sqrt x$ $y=2.1; x=9$ $2.1=k\sqrt 9$ $2.1=k(3)$ $k=0.7$ $y=0.7\sqrt x$ The constant of variation is $0.7$. The variation equation is $y=0.7\sqrt x$.
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