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: 26

Answer

$y=4\pm3i \sqrt2$

Work Step by Step

$(y-4)^2+18=0$ $(y-4)^2=-18$ $\sqrt(y-4)^2=\pm\sqrt-18$ $y-4=\pm 3i\sqrt2$ $y=4\pm3i \sqrt2$
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