document.write( "Question 409517: Write the standard form of the equation of the conic section with the given charateristics.
\n" ); document.write( "1. Parabola with vertex at (0, 0) and directrix at x = 5.
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Algebra.Com's Answer #288244 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "sketching parabola: Format: (y-k)^2 = 4p(x-h)
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document.write( "I. Vertex is Pt(0,0)
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document.write( "II. Opens left.  Line of symmetry is the x-axis
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document.write( "III. Directrix is x = 5  -p = 5  OR p = -5  and 4p = -20
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document.write( " y^2 = -20x   OR  x = (-1/20)y^2
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