Question 874817
4x^2+y^2+40x+96=0
4(x -5)^2 - 100 + y^2 + 96 = 0
4(x -5)^2 + y^2  = 4
(x -5)^2/1^2 + y^2/2^2  = 0  Ellipse C(5,0), major axis along x = 5
{{{drawing(300,300,   -6, 6, -6, 6, grid(1), arc(5,0, 2,4),
circle(5, 0,0.2),
graph( 300, 300, -6, 6, -6, 6) )}}}