Algebra and Trigonometry 10th Edition

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


(a) $10$ (b) $0$

Work Step by Step

$-x^2+5x-4$ (a) $-(-1)^2+5\times(-1)-4=-1-5-4=-10$ (b) $-1^2+5\times1-4=-1+5-4=0$
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