1 |
the focal chord perpendicular to the axis of the parabola is called _____________ of the parabola: |
Directrix
Latus rectum
Focus
Focal chord
|
2 |
The equation of the latus-rectum of the parabola y2 = 4ax is: |
x = a
x = -a
y = a
y = -a
|
3 |
The length of the latus rectum of the parabola y2 = 4ax is: |
a
4a
2a
None of these
|
4 |
The equi. of latus-rectum of the parabola y2 = -4ax is: |
x = a
x = -a
y = a
y = -a
|
5 |
Equation of axis of the parabola x2 = 4ay is: |
x = 0
x = a
y = 0
y = a
|
6 |
The axis of the parabola x2 = -4ay is: |
x = a
x = 0
y = a
y = 0
|
7 |
The axis of the parabola y2 = 4ax is: |
x = 0
x = a
y = 0
y = a
|
8 |
The axis of the parabola y2 = -4ax is: |
x = a
x = 0
y = a
y = 0
|
9 |
The axis of the parabola x2 = 4ay is: |
x = 0
x = -a
y = 0
y = -a
|
10 |
The vertex of parabola (x - 1)2 = 8 (y + 2) is: |
(1, -2)
(0, 1)
(-1, -2)
(1, 2)
|
11 |
The vertex of the parabola x2 = 4ay is: |
(-a, 0)
(0, a)
(0, -a)
(0, 0)
|
12 |
The point of a parabola which is closest to the focus in the: |
Directrix
Vertex
Focus
Chord
|
13 |
The vertex of the parabola y2 = -4ax is: |
(-a, 0)
(a, 0)
(0, -a)
(0, 0)
|
14 |
The point where the axis meets the parabola is called ________ of the parabola: |
Directrix
Vertex
Focus
Eccentricity
|
15 |
The vertex of the parabola y2 = 4ax is: |
(-a, 0)
(a, 0)
(0, -a)
(0, 0)
|
16 |
The vertex of the parabola x2 = -4ay is: |
(a, 0)
(0, 0)
(0, -a)
(0, a)
|
17 |
The directrix of the parabola y2 = 4ax is: |
x = a
x = -a
y = a
y = - a
|
18 |
The directrix of the parabola x2 = -4ay is: |
x = a
x = -a
y = a
y = -a
|
19 |
The equ. of directrix of the parabola y2 = -4ax is: |
x = a
x = - a
y = a
y = -a
|
20 |
The focus of the parabola x2 = 4ay: |
(0, a)
(-a , 0)
(0, -a)
(a, 0)
|