1 |
The point of a parabola which is closest to the focus in the: |
Directrix
Vertex
Focus
Chord
|
2 |
The vertex of the parabola y2 = -4ax is: |
(-a, 0)
(a, 0)
(0, -a)
(0, 0)
|
3 |
The point where the axis meets the parabola is called ________ of the parabola: |
Directrix
Vertex
Focus
Eccentricity
|
4 |
The vertex of the parabola y2 = 4ax is: |
(-a, 0)
(a, 0)
(0, -a)
(0, 0)
|
5 |
The vertex of the parabola x2 = -4ay is: |
(a, 0)
(0, 0)
(0, -a)
(0, a)
|
6 |
The directrix of the parabola y2 = 4ax is: |
x = a
x = -a
y = a
y = - a
|
7 |
The directrix of the parabola x2 = -4ay is: |
x = a
x = -a
y = a
y = -a
|
8 |
The equ. of directrix of the parabola y2 = -4ax is: |
x = a
x = - a
y = a
y = -a
|
9 |
The focus of the parabola x2 = 4ay: |
(0, a)
(-a , 0)
(0, -a)
(a, 0)
|
10 |
The focus of the parabola x2=-4ay is: |
(-a , 0)
(0, a)
(0, -a)
(a, 0)
|
11 |
The focus of the parabola y2=-4ax is: |
(-a , 0)
(0, a)
(0, -a)
(a, 0)
|
12 |
The focus of the parabola y2=4ax is: |
(-a , 0)
(0, a)
(0, -a)
(a, 0)
|
13 |
The graph of the parabola y2 = -4ax is symmetric about: |
x-axis
major axis
y-axis
minor axis
|
14 |
The graph of the parabola x2 = -4ay is symmetric about: |
x-axis
major axis
y-axis
minor axis
|
15 |
The graph of the parabola y2= -4ax is symmetric about: |
x-axis
y = x
y-axis
None of these
|
16 |
If the equation of the parabola x2 = 4ay, then opening of the parabola is upward of the: |
x-axis
y-axis
Major axis
Minor axis
|
17 |
If the equation of the parabola is y2 = - 4ax, then opening of the parabola is to the ______ of the y-axis: |
Left
Upward
Right
Downward
|
18 |
The opening of the parabola x2= 16y is to __________ of the x-axis: |
Left
Upward
Right
Downward
|
19 |
The opening of the parabola y2 = -4ax is to the left of the: |
x-axis
x = 1
y-axis
x = 0
|
20 |
The opening of the parabola x2 = 4ay is upward of the: |
x -axis
y = c
y - axis
x = y
|