Answer
No real answers
Work Step by Step
$2x^2+7x+9=0$
$b^2-4ac$
$7^2-4*2*9$
$49-8*9$
$49-72$
$-23$ (the determinant is negative, so there are no real number answers)
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 - Cumulative Test Prep - Gridded Response - Page 596: 24
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