Algebra 1

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

Chapter 9 - Quadratic Functions and Equations - 9-1 Quadratic Graphs and Their Properties - Mixed Review: 63

Answer

$\frac{7}{20}$

Work Step by Step

If a=10, and b=-7, in order to evaluate the expression $\frac{-b}{2a}$ all we must do is simply plug in the givens into the expression. $\frac{-b}{2a}$=$\frac{-(-7)}{2(10)}$=$\frac{7}{20}$
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