Answer
(a) $10$
(b) $0$
Work Step by Step
$-x^2+5x-4$
(a) $-(-1)^2+5\times(-1)-4=-1-5-4=-10$
(b) $-1^2+5\times1-4=-1+5-4=0$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Prerequisites - P.1 - Review of Real Numbers and Their Properties - Exercises - Page 13: 62
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