Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 5 - Linear Functions - 5-2 Direct Variation - Practice and Problem-Solving Exercises - Page 306: 44

Answer

The missing value for y is 12. This answer is found by dividing the two known values in order to obtain the constant of variation. Dividing 9 by 3 will give us 3. This constant is then applied to the known y value of 4. When multiplied by the constant of variation, this gives a value of 12.

Work Step by Step

Explanation above.
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