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 - Exercise Set: 7

Answer

z=±$\sqrt 10$

Work Step by Step

Original Equation 3z²-30=0 Add 30 to both sides 3z²=30 Divide both sides by 3 z²=10 Take the square root of both sides z=±$\sqrt 10$
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