Answer
(a) $-1$
(b) $-3$
Work Step by Step
$-x^2+x-1$
(a) $x=1$
$-1^2+1-1=-1+1-1=-1$
(b) $x=-1$
$-(-1)^2+(-1)-1=-1-1-1=-3$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Prerequisites - Review Exercises - Page 62: 15
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.
