Answer
discriminant; negative
Work Step by Step
The quantity $b^2 - 4ac$ is called the discriminant of a quadratic equation. If it is negative, the equation has no real solution.
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 2 - Linear and Quadratic Functions - Section 2.3 Quadratic Functions and Their Zeros - 2.3 Assess Your Understanding - Page 145: 8
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