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: 18

Answer

The constant of variation is $4$. The inverse variation equation is $y=\frac{4}{x}$.

Work Step by Step

$y=\frac{k}{x}$ $y=\frac{1}{10}; x=40$ $\frac{1}{10}=\frac{k}{(40)}$ $\frac{1}{10}\times40=k$ $4=k$ The constant of variation is $4$. The inverse variation equation is $y=\frac{4}{x}$.
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