document.write( "Question 91503: Find the directrix of the parabola 12(y+4)=(y-6)^2 \n" ); document.write( "
Algebra.Com's Answer #66487 by stanbon(75887)\"\" \"About 
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Find the directrix of the parabola 12(y+4)=(y-6)^2
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\n" ); document.write( "Comment: you need an x somewhere in that equation.
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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