Algebra 1

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

Chapter 9 - Quadratic Functions and Equations - 9-2 Quadratic Functions - Lesson Check - Page 544: 3

Answer

Please see the graph.
1533700167

Work Step by Step

$y=3x^2+6x+2$ The graph was made using graphing software. Axis of symmetry: $x=-b/2a$ $x=-6/2*3 = -6/6 =-1$ Vertex: $y=3(-1)^2+6(-1)+2$ $y=3*1-6+2$ $y=3-4$ $y=-1$ $(-1, -1)$ One more point on the function: $y=3(1)^2+6(1)+2$ $y=3*1+6+2$ $y=3+8 = 11$ $(1,11)$
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