Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 8 - Section 8.1 - Solving Quadratic Equations by Completing the Square - Vocabulary, Readiness & Video Check: 1


$\pm\sqrt b$

Work Step by Step

If $a^{2}=b$, then $a=\pm\sqrt b$ or If $x^{2}=9$, then $x=\pm\sqrt 9$ OR $x=\pm3$
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