Latus Rectum
Trending Questions
Q.
The circle touches
y-axis at the origin
x-axis at the origin
x-axis at the point
the line
Q. If 2 and 3 are the lengths of the segments of any focal chord of a parabola y2=4ax made by the axis of the parabola, then the length of the latus rectum is
- 245
- 125
- 115
- none of these
Q. If the parabola y2=4ax passes through (-3, 2), then length of its latus rectum is
- 23
- 13
- 43
- 4
Q.
If the vertex of a parabola be at origin and directrix be x+5 = 0 , then its latus rectum is
5
10
20
40
Q. If the curve y=|x−3| touches the parabola y2=λ(x−4), λ>0, then length of latus rectum of the parabola(in units) is
- 2
- 4
- 16
- 8
Q.
If the parabola y2=4ax passes through (-3, 2), then length of its latus rectum is
23
13
43
4
Q. The co – ordinates of the extremities of the latus rectum of the parabola 5y2=4x are
- (15, 25), (−15, 25)
- (15, 25), (15, −25)
- (15, 45), (15, −45)
- None of these
Q. The equation of the lines joining the vertex of the parabola y2=6x to the points on it whose abscissa is 24, is
- y±2x=0
- 2y±x=0
- x±2y=0
- 2x±y=0
Q. Consider the parabola whose focus at (0, 0) and tangent at vertex is x−y+1=0.
The length of the latus rectum is
The length of the latus rectum is
- 4√2
- 2√2
- 8√2
- 3√2
Q.
A parabola passing through the point (-4, -2) has its vertex at the origin and y-axis as its axis. The latus rectum of
the parabola is
6
8
10
12