SOLUTION: If the vertex of a parabola is (-1,-7) how can I find the equation of the parabola? Is this possible?

Question 530867: If the vertex of a parabola is (-1,-7) how can I find the equation of the parabola? Is this possible?
Found 2 solutions by jim_thompson5910, josmiceli:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
You would need another point that lies on the parabola to find the equation of the parabola.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Not quite, the x-coordinate of the vertex is
when the general formula
for the equation is
So I have:

the y coordinate is , so

I can still only get a formula for the roots in terms
of and , so there can be many equations
that have (-1,-7) for a vertex
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