Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 1 - 1.4 - Quadratic Equations and Applications - 1.4 Exercises - Page 110: 62


2 unique real solutions

Work Step by Step

Quadratic Equation : $-5x^2-4x+1=0$ Use discriminant to determine the number of real solutions. Discriminant = $(-4)^2-4(-5)(1)=36$ which is greater than zero, hence there are 2 unique real solutions.
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