Answer
-16
Work Step by Step
We are asked to evaluate $-z^{2}$, where $z=-4$.
$-z^{2}=-(-4)^{2}=-(-4\times-4)=-(16)=-16$
According to order of operations, we must first evaluate the exponent and then consider the negative sign.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 1 - Sections 1.2-1.3 - Integrated Review - Algebraic Expressions and Operations on Whole Numbers - Page 29: 2
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
