Algebra 1: Common Core (15th Edition)

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

Chapter 9 - Quadratic Functions and Equations - 9-3 Solving Quadratic Equations - Practice and Problem-Solving Exercises - Page 564: 22


$k = ±14$

Work Step by Step

So first, let's add $196$ to both sides $k^2 = 196$ The number $196$ is $14$ multiplied by itself, or $−14$ multiplied by itself. If you square root both sides, you get $k=±14$
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