SOLUTION: Which quadratic function is best represented by the graph?https://static.k12.com/nextgen_media/assets/1512578-IM3_140718

SOLUTION: Which quadratic function is best represented by the graph?https://static.k12.com/nextgen_media/assets/1512578-IM3_140718_060106.jpg

Question 1191806: Which quadratic function is best represented by the graph?https://static.k12.com/nextgen_media/assets/1512578-IM3_140718_060106.jpg
Found 2 solutions by josgarithmetic, MathLover1:
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
The graph of the parabola shows roots 2 and 4; and vertex is at (3,-1). You know two things from that.

(1)

AND
(2)

.
.
.
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
as you can see that is a parabola opening up, has vertex at (,)
=> and
so, vertex form equation is
.......substitute and

you also see from the graph that parabola passes through the point (,), so use it to calculate

and your equation is:

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