Algebra 1

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

Chapter 5 - Linear Functions - 5-2 Direct Variation - Practice and Problem-Solving Exercises - Page 297: 33

Answer

y=6x

Work Step by Step

Since the general form of a direct variation is y=kx,. lets substitute the value of x and y into this equation: 7.2=1.2K (Divide both sides by 1.2) 6=k Now substitute this value of k into the standard form of a direct variation: y=6x This is our equation that relates x and y for this situation.
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