1 |
|
Circle
Parabola
Hyperbola
Ellipse
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2 |
|
Ellipse
Parabola
Hyperbola
Circle
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3 |
In the case of rotation of axes which formula is true: |
|
4 |
In the case of translation of axes which formula is true: |
x = X - h
x = X + h
x + X = h
None
|
5 |
|
a
2b
b
2a
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6 |
|
x = 0
y = -a
y = 0
y = -a
|
7 |
|
4a
2a
4b
2b
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8 |
The conic is an ellipse, if: |
e = 1
e > 1
0 < e < 1
e = 0
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9 |
The number e denotes the _________ of the conic: |
Directrix
Vertex
Focus
Eccentricity
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10 |
the focal chord perpendicular to the axis of the parabola is called _____________ of the parabola: |
Directrix
Latus rectum
Focus
Focal chord
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11 |
The equation of the latus-rectum of the parabola y2 = 4ax is: |
x = a
x = -a
y = a
y = -a
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12 |
The length of the latus rectum of the parabola y2 = 4ax is: |
a
4a
2a
None of these
|
13 |
The equi. of latus-rectum of the parabola y2 = -4ax is: |
x = a
x = -a
y = a
y = -a
|
14 |
Equation of axis of the parabola x2 = 4ay is: |
x = 0
x = a
y = 0
y = a
|
15 |
The axis of the parabola x2 = -4ay is: |
x = a
x = 0
y = a
y = 0
|
16 |
The axis of the parabola y2 = 4ax is: |
x = 0
x = a
y = 0
y = a
|
17 |
The axis of the parabola y2 = -4ax is: |
x = a
x = 0
y = a
y = 0
|
18 |
The axis of the parabola x2 = 4ay is: |
x = 0
x = -a
y = 0
y = -a
|
19 |
The vertex of parabola (x - 1)2 = 8 (y + 2) is: |
(1, -2)
(0, 1)
(-1, -2)
(1, 2)
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20 |
The vertex of the parabola x2 = 4ay is: |
(-a, 0)
(0, a)
(0, -a)
(0, 0)
|