Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 9 - Quadratic Functions and Equations - 9-6 The Quadratic Formula and the Discriminant - Lesson Check - Page 571: 3



Work Step by Step

$-2x^2+8x-5=0$ $b^2-4ac$ $8^2-(4*-2*-5)$ $64-(40)$ $24$ Since this is positive, there are two real-number solutions
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