Intermediate Algebra (6th Edition)

by Martin-Gay, Elayn

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 - Exercise Set - Page 482: 5

Answer

x=±3$\sqrt 2$

Work Step by Step

Original Equation x²=18 Take the square root of both sides x=±$\sqrt 18$ Simplify the radical x=±3$\sqrt 2$

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