document.write( "Question 1010247: How do I write an equation for the parabola given a vertex of (-2,1) and a directrix of y=-3 \n" ); document.write( "

Algebra.Com's Answer #625702 by josgarithmetic(39617) $\"\"$ $\"About$

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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.\r
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\n" ); document.write( "\n" ); document.write( "Derive parabola equation, given focus and directrix\r
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\n" ); document.write( "\n" ); document.write( "same thing if vertex not at the origin \n" ); document.write( "

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