College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 1, Equations and Graphs - Chapter 1 Review - Exercises - Page 170: 72



Work Step by Step

$2x^{2}-3x+2=0$ We use the quadratic formula ($a=2, b=-3, c=2$): $x=\frac{-\ -3\pm\sqrt{(-3)^{2}-4*2*2}}{2*2}=\frac{3\pm\sqrt{9-16}}{4}=\frac{3\pm\sqrt{-7}}{4}=\frac{3}{4}\pm\frac{\sqrt{7}}{4}i$
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