Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 1 - Introduction to Algebraic Expressions - Review Exercises: Chapter 1: 12

Answer

The answer is $-16$.

Work Step by Step

To evaluate, substitute the given value of the variable in the expression, then perform the operation: \begin{align} 9 - y^2 &= 9 - (-5)^2 &&\text{Substitute} \\ &= 9 - (25) &&\text{Square the number} \\ &= \color{red} {-16} &&\text{Evaluate} \end{align}
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