Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 11 - Section 11.1 - Solving Quadratic Equations by Completing the Square - Exercise Set - Page 763: 12


$y=-4-3\sqrt3$ and $y=-4+3\sqrt3$

Work Step by Step

$(y+4)^2 = 27 \\ y+4 = ±3\sqrt3 \\$ $y+4=-3\sqrt3 \rightarrow y=-4-3\sqrt3$ $y+4=3\sqrt3 \rightarrow y=-4+3\sqrt3$
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