Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

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: 10

Answer

$$ x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}.$$

Work Step by Step

For a quadratic equation $ax^2 +bx+c=0$, the quadratic formula gives the solutions as follows $$ x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}.$$
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