Algebra 1

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

Chapter 9 - Quadratic Functions and Equations - 9-3 Solving Quadratic Equations - Practice and Problem-Solving Exercises - Page 551: 28



Work Step by Step

$144-p^2=0$ $144-p^2+p^2=0+p^2$ $144 = p^2$ $\sqrt {144} = \sqrt {p^2}$ $p=12,-12$
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