Answer
2
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
Algebra 1
by Hall, Prentice
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
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