Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 5 - Linear Functions - 5-2 Direct Variation - Lesson Check - Page 302: 6


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Work Step by Step

"A direct variation is a relationship that can be represented by a function in the form $y=kx$, where $k$$\ne$$0$ (pg. 299)." The equation $y=k+x$ cannot be represented in the form $y=kx$ because of the plus sign separating the $k$ and $x$.
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