Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 3 - Quadratic Functions - Exercises for Skills for Completing the Square - Page 138: 5



Work Step by Step

Completing the square, we obtain: $$ a^2-2a-4+\left(-1\right)^2-\left(-1\right)^2 \\ \left(a-1\right)^2-4-\left(-1\right)^2 \\ \left(a-1\right)^2-5$$
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