SOLUTION: if i know the vertex of a parabola, can i figure out the equation? why or why not?

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Question 169253: if i know the vertex of a parabola, can i figure out the equation? why or why not?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
if i know the vertex of a parabola, can i figure out the equation? why or why not?
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1 point is not sufficient to define a parabola. In other words,
no, you cannot find "the equation", since there can be an infinite number of parabolas with that point as the vertex.