document.write( "Question 631805: Given that a parabola has a directrix of y=-3.25 and focus (0,-2.75), find the vertex.\r
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Algebra.Com's Answer #397820 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 vertex form of a Parabola opening up(a>0) or down(a<0),  
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document.write( "where(h,k) is the vertex  and  x = h  is the Line of Symmetry
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document.write( "The standard form is , where  the focus is (h,k + p)
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document.write( "and  length of  the  latus rectum 
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document.write( "directrix of  y= -3.25 and focus (0,-2.75), 
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document.write( "y-value of Midpoint between directrix and focus is -6/2 = -3 , p = .25  and 4p = 1  V(0,-3)
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document.write( "   or \r
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