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
9/2
32/3
64/3
The eccentricity of the conic is
The directrix of the parabola y2 + 4 x + 3 = 0 is
x - 4/3 = 0
x + 1/4 = 0
x - 3/4 = 0
x - 1/4 = 0
Length of major axis of ellipse 9x2 + 7y2 = 6 3 is
3
6
2√7
The eccentricity of the ellipse 9 x2 + 5 y 2 - 18 x - 20 y - 16 = 0 is
1/2
2/3
3/2
2
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 equation of directrix of the ellipse is
3 y = ± 5
y = ± 5
3 y = ± 25
y = ± 3
The sum of the distances of a point (2,-3) from the foci of an ellipse 16 (x-2)2 + 25 (y + 3)2 = 400 is
8
50
32
If the foci and vertices of an ellipse be (±1,0) and (±2,0) then the minor axis of the ellipse is
2√5
4
2√3
If the vertex of the parabola y = x2 - 16 x + k lies on x - axis, then the value of k is
16
64
-64