Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 8 - Section 8.5 - Quadratic Functions and Their Graphs - Exercise Set: 58

Answer

$25$

Work Step by Step

To create a perfect square trinomial you take the coefficient of x, divide it by two, and square the results. OR $(\frac{b}{2})^{2}$. In this problem $b=-10$. So $(\frac{-10}{2})^{2}=(-5)^{2}=25$.
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