Answer
$x\approx 0.30, 6.70$
Work Step by Step
Given Information
a=1
b=-7
c=2
Using the Quadratic Formula
$x$=$\frac{-b+\sqrt b^{2}-4ac}{2a}$=$\frac{-(-7)\sqrt (-7)^{2}-4(1)(2)}{2(1)}$
$x=\frac{7 + \sqrt 41}{2}$
$x\approx 0.30, 6.70$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
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
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
