Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 1 - 1.4 - Quadratic Equations and Applications - 1.4 Exercises - Page 111: 87


${6-\sqrt {11}, 6+\sqrt {11}}$

Work Step by Step

$(y-5)^2=2y$ $y^2-10y+25=2y$ $y^2-12y+25=0$ $y^2-12y+36=11$ $(y-6)^2=11$ $(y-6)=\sqrt {11} or -\sqrt {11}$ $y=6+\sqrt {11}$ or $6-\sqrt {11}$
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