Answer
True.
When one of the variables is multiplied by a factor $k$ the other is also multiplied by the same factor $k$.
Work Step by Step
$a,b$ are constants.
$y=ax$
$x=\frac{1}{a}y$
$x=by$, where $b=\frac{1}{a}$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 3 - Review Exercises - Page 303: 109
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