SOLUTION: Find the vertex, line of symmetry, maximum/minimum and if the graph opens up or down of: f(x)=1/4(x+1)^2+9

Question 318797: Find the vertex, line of symmetry, maximum/minimum and if the graph opens up or down of: f(x)=1/4(x+1)^2+9
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
The equation is in vertex form, , where (h,k) is the vertex.
Comparing,
(h,k)=(,)
The vertex lies on the axis of symmetry,

The coefficient of the term is positive, so the parabola opens upwards and the minimum for the parabola occurs at the vertex.

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