document.write( "Question 128671This question is from textbook Algebra 2
\n" ); document.write( ": Could you please help me with this question? Find the focus an the directrix for the parabola -4x=y to the second power. Please help, Thank You.
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Algebra.Com's Answer #94137 by stanbon(75887)\"\" \"About 
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Could you please help me with this question? Find the focus an the directrix for the parabola -4x=y to the second power.
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\n" ); document.write( "General Form: (y-k)^2 = 4p(x-h)
\n" ); document.write( "Form (y-0)^2 = -4(x-0)
\n" ); document.write( "Vertex is at (0,0)
\n" ); document.write( "4p = -4
\n" ); document.write( "p = -1
\n" ); document.write( "Focus is at (-1,0)
\n" ); document.write( "Directrix is at x = 1
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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