Hi, -16y+52=-2x^2-8x-y^2 2x^2+8x+y^2-16y = -52 2(x+2)^2 + (y-8)^2 = -52 + 8 + 64 2(x+2)^2 + (y-8)^2 = 20 Standard Form of an Equation of an Ellipse is where Pt(h,k) is the center