Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 8 - Section 8.6 - Further Graphing of Quadratic Functions - Exercise Set: 75

Answer

minimum value

Work Step by Step

The value of $a$ determines whether the graph opens up or down. If $a$ is positive, the graph opens up; if $a$ is negative, the graph opens down. In this problem $a=2$. Therefore the graph opens up and has a minimum value.
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