document.write( "Question 815513: I have to determine if this is a circle (and find the radius and center) a parabola (find the vertex focus and directrix) or if is an ellipse or hiperbola find the foci and sketch it. My problem to solve is x^+y^-12x+18y-4= 0 \n" ); document.write( "
Algebra.Com's Answer #491018 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
x^+y^-12x+18y-4= 0
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\n" ); document.write( "x^ doesn't mean anything.
\n" ); document.write( "You have to show the exponent.
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