Answer
A
Work Step by Step
Since the determinant is 0, the square root in the quadratic equation will cancel out to get:
$$ \frac{-b}{2a}$$
Thus, we see that there will be one rational solution.
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 11 - Quadratic Functions and Equations - 11.3 Studying Solutions of Quadratic Equations - 11.3 Exercise Set - Page 718: 2
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