Algebra 2 (1st Edition)

by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee

Published by McDougal Littell

ISBN 10: 0618595414

ISBN 13: 978-0-61859-541-9

Chapter 4 Quadratic Functions and Factoring - Chapter Review - Page 320: 26

Answer

$$y=\pm\sqrt2$$

Work Step by Step

We first try to get the variable squared alone on one side of the equation. Then, we take the square root in order to solve: $$5y^2=10 \\ y^2=2 \\ y=\pm\sqrt2$$

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