Hi,
conic Forms:
Ellipse is
Hyperbola opening Up and down is:
Hyperbola opening right and left is:
Parabola opening up(a>0) or down(a<0),
Parabola opening right(a>0) or left(a<0),
x^2-6x+25y^2-100y=-84
(x-3)^2 + 25(y-2)^2 = -84 + 9 + 100
(x-3)^2 + 5(y-5)^2 =25 Ellipse