Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Appendix A - Review - A.7 Complex Numbers; Quadratic Equations in the Complex Number System - A.7 Assess Your Understanding - Page A61: 76

Answer

The solutions has two unequal real number solutions.

Work Step by Step

The given quadratic equation has $a=2,b=-4$ and $c=1$. The discriminant is $b^2-4ac$ $=(-4)^2-4(2)(1)$ $=16-8$ $=8$ Since $8>0$, then the equation has two unequal real number solutions.
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