document.write( "Question 671164: x^2-2x-4y^2+16y=11 \n" ); document.write( "
Algebra.Com's Answer #417300 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
\n" );
document.write( "Hi,
\n" );
document.write( "conic Forms:
\n" );
document.write( "Ellipse is \"%28x-h%29%5E2%2Fa%5E2+%2B+%28y-k%29%5E2%2Fb%5E2+=+1+\" 
\n" );
document.write( "Hyperbola opening Up and down is: \"%28y-k%29%5E2%2Fb%5E2+-+%28x-h%29%5E2%2Fa%5E2+=+1\"
\n" );
document.write( "Hyperbola opening right and  left is: \"%28x-h%29%5E2%2Fa%5E2+-+%28y-k%29%5E2%2Fb%5E2+=+1\"
\n" );
document.write( "Parabola opening up(a>0) or down(a<0), \"y=a%28x-h%29%5E2+%2Bk\" 
\n" );
document.write( "Parabola opening right(a>0) or left(a<0), \"x=a%28y-k%29%5E2+%2Bh\"
\n" );
document.write( "x^2-2x-4y^2+16y=11
\n" );
document.write( "(x-1)^2 - 4(y-2)^2 = 11 + 1 -16
\n" );
document.write( "(x-1)^2 - 4(y-2)^2 = -4
\n" );
document.write( " 4(y-2)^2 -(x-1)^2 =4
\n" );
document.write( "\"+%28y-2%29%5E2%2F1+-%28x-1%29%5E2%2F4+=1\"  Hyperbola opening Up and down \n" );
document.write( "
\n" );