SOLUTION: write an quadratic function that has a vertex(-2,-4) and passes through the points (0,0).

SOLUTION: write an quadratic function that has a vertex(-2,-4) and passes through the points (0,0).

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Question 605216: write an quadratic function that has a vertex(-2,-4) and passes through the points (0,0).
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
When the equation is of the form
, the vertex is at

given:

and

and, from above,

So far, I have

and this must go through (0,0), so

So, the equation is:

here's a plot:

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