Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 9 - Quadratic Functions and Equations - 9-3 Solving Quadratic Equations - Lesson Check - Page 550: 6

Answer

It is easier to solve the quadratic equation when $-c/a$ is a positive perfect square number.

Work Step by Step

When $-c/a$ is a positive perfect square number, then the square root can easily be taken. However, if the number is not a perfect square number, then a graph would have to be used.
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