Answer
The constant of variation is $14$.
The direct variation equation is $y=14x$.
Work Step by Step
$y=kx$
$y=7; x=\frac{1}{2}$
$7=k(\frac{1}{2})$
$7\times2=k$
$14=k$
The constant of variation is $14$.
The direct variation equation is $y=14x$.
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 9 - Section 9.4 - Variation and Problem Solving - Exercise Set - Page 662: 5
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