document.write( "Question 879415: Identify the vertex, focus, and Directrix of the graph of this parabola: \r
\n" ); document.write( "\n" ); document.write( "(x-1)^2 = (1/4)(y+2) \n" ); document.write( "
Algebra.Com's Answer #530759 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
(x-1)^2 = (1/4)(y+2) Opening Upward along x = 1 \"y+=+4%28x-1%29%5E2+-2\"
\n" ); document.write( "C(1,-2), 4p = 1/4, p = 1/16, F(1, -1 15/16), Directrix is y = -2 1/16)
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document.write( "Need to Know...............................................................
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document.write( "Standard Form of an Equation of a Circle is \"%28x-h%29%5E2+%2B+%28y-k%29%5E2+=+r%5E2\" 
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document.write( "Standard Form of an Equation of an Ellipse is \"%28x-h%29%5E2%2Fa%5E2+%2B+%28y-k%29%5E2%2Fb%5E2+=+1+\" 
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document.write( "Standard Form of an Equation of an Hyperbola opening up and down is:\"%28y-k%29%5E2%2Fb%5E2+-+%28x-h%29%5E2%2Fa%5E2+=+1\" 
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document.write( "Standard Form of an Equation of an Hyperbola opening right and  left is:\"%28x-h%29%5E2%2Fa%5E2+-+%28y-k%29%5E2%2Fb%5E2+=+1\" 
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document.write( "the vertex form of a Parabola opening up(a>0) or down(a<0), \"y=a%28x-h%29%5E2+%2Bk\"
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document.write( " the vertex form of a Parabola opening right(a>0) or left(a<0), \"x=a%28y-k%29%5E2+%2Bh\"\r
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