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Before solving, a student computes the discriminant. What it tells her is the:
ANumber of solutions
BHeight of the vertex
CSlope of the curve
DArea under the curve
Answer & Solution
Correct answer: A. Number of solutions
1. Its value is compared against zero.
2. The count of real roots follows.
3. It is the number of solutions.
_Source: OpenStax College Algebra 2e, Chapter 2, Equations and Inequalities._
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