document.write( "Question 423860: Write an equation of a parabola with a vertex at the origin and a directrix at y = 5. \r
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Algebra.Com's Answer #295544 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!


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document.write( "Hi
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document.write( "The standard form is , where the focus is (h,k + p) 
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document.write( "vertex at the origin and a directrix at y = 5. p = -5 (focus is (0,-5) 
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document.write( " x^2 = -20y  OR y = (-1/20)x^2
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