Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 12 - Data Analysis and Probability - 12-6 Permutations and Combinations - Practice and Problem-Solving Exercises - Page 768: 77

Answer

$x $= $- \frac{5}{3}, - 1$

Work Step by Step

Given information: a= 3 b=8 c= 5 By using the Quadratic Formula: $x$= $\frac{- b +\sqrt b^{2} - 4ac}{2a}$ = $\frac{-8 +\sqrt 8^{2}- 4(3)(5)}{2(3)}$ $x$= $\frac{- 8 +\sqrt 4}{6}$= $\frac{-8 + 2}{6}$ $x$=$-\frac{5}{3} , -1$
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