SOLUTION: How do I write an equation for the parabola given a vertex of (-2,1) and a directrix of y=-3
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Question 1010247: How do I write an equation for the parabola given a vertex of (-2,1) and a directrix of y=-3
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
These will help you; you will also first need to identify the focus point. Once having it, use the formula or derive it from known focus, directrix and distance formula.
Derive parabola equation, given focus and directrix
same thing if vertex not at the origin
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