Answer
499
Work Step by Step
We can find the value of $Q(-10)$ by plugging -10 into the formula for $Q(x)$.
$Q(x)=5x^{2}-1$
$Q(-10)=5(-10^{2})-1=5\times(-10\times-10)-1=5\times100-1=500-1=499$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 5 - Section 5.3 - Polynomials and Polynomial Functions - Exercise Set - Page 279: 21
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