#### Answer

(5;30)

#### Work Step by Step

vertex formula: -b/2a
-10/2(-1) = 5
Substitute x=5 into equation -x^2 +10x+5
therefore y value = 30
therefore vertex (5;30)

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

(5;30)

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