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: 75


$x\approx 0.30, 6.70$

Work Step by Step

Given Information a=1 b=-7 c=2 Using the Quadratic Formula $x$=$\frac{-b+\sqrt b^{2}-4ac}{2a}$=$\frac{-(-7)\sqrt (-7)^{2}-4(1)(2)}{2(1)}$ $x=\frac{7 + \sqrt 41}{2}$ $x\approx 0.30, 6.70$
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