Answer
Graph $D$
Work Step by Step
$a<0$ means the parabola opens downward.
$b^2-4ac$ (that is discriminant) is less than $0$ means parabola does not cross or touch $x$-axis (there is no solution).
Such graph is graph $D$.
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter 3 - Section 3.1 - Quadratic Functions and Models - 3.1 Exercises - Page 294: 33
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