Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 9 - Quadratic Functions and Equations - 9-3 Solving Quadratic Equations - Mixed Review - Page 553: 68

Answer

Please see the graph.

Work Step by Step

The graph was made using graphing software. $y=-3x^2+18x$ vertex: $x=-b/2a$ $x=-(18)/2*(-3)$ $x=-18/-6 = 3$ $y=-3x^2+18x$ $y=-3(3)^2+18*(3)$ $y=-3*9+54$ $y=-27+54$ $y=27$ The blue line is the axis of symmetry, and the vertex is labeled.
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