Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 9 - Quadratic Functions and Equations - Mid-Chapter Quiz - Page 560: 23


6.22 feet by 15.44 feet

Work Step by Step

$x*(2x+3)=96$ $2x^2+3x=96$ $2x^2+3x-96=96-96$ $2x^2+3x-96=0$ A graphing calculator shows $x=-7.72$ and $x=6.219$; however, we can't have a negative length. $x*(2x+3)= 96$ $6.22*(2*6.22+3)=96$ $6.22*(12.44+3)=96$ $6.22*15.44=96$ $96.0368 \approx 96$ (due to rounding)
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