The distance between the foci of the conic 7x2 - 9y2 = 63 is equal to
8
4
3
1
The eccentricity of the ellipse 9 x2 + 5 y 2 - 18 x - 20 y - 16 = 0 is
1/2
2/3
3/2
2
If the vertex of the parabola y = x2 - 16 x + k lies on x - axis, then the value of k is
16
64
-64
The equation of the latus rectum of the parabola x2 + 4 x + 2 y = 0 is equal to
2 y + 3 = 0
3 y = 2
2 y = 3
3 y + 2 = 0
The eccentricity of the hyperbola is
3/4
3/5
Length of major axis of ellipse 9x2 + 7y2 = 6 3 is
9
6
2√7
If in a hyperbola, the distance between the foci is 10 and the transverse axis has length 8, then the length of its latus rectum is
9/2
32/3
64/3
The equation of directrix of the ellipse is
3 y = ± 5
y = ± 5
3 y = ± 25
y = ± 3
The distance between the foci of the hyperbola x2 - 3 y2 - 4 x - 6 y - 11 = 0 is
10
The eccentricity of the hyperbola 9 x2 - 16 y2 - 18 x - 64 y - 199 = 0 is
16/9
5/4
25/16
zero
