Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 10 - Quadratic Equations - 10.1 - Quadratic Equations - Problem Set 10.1: 6

Answer

$0,-7$

Work Step by Step

In order to solve a quadratic equation, we factor so that we can find when y equals 0. Thus, we obtain: $8y^2+56y=0$ $8y(y+7)=0$ Solution 1: 8$y=0\\\\y=0$ Solution 2: $y+7=0$ $y=-7$
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