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: 6

Answer

y=±2$\sqrt5 $

Work Step by Step

Original Equation y²=20 Take the square root of both sides y=$\sqrt 20$ Simplify the radical y=±2$\sqrt 5$
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