Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 10 - Quadratic Equations - 10.3 - Quadratic Formula - Concept Quiz 10.3 - Page 453: 6



Work Step by Step

Sometimes, the square root in the quadratic formula ends up being an imaginary number (for the number under the square root is negative). As a result, it is possible to see if the solutions are not real using the quadratic formula.
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