| 1 |
The opening of the parabola x<sup>2</sup>= 16y is to __________ of the x-axis: |
- A. Left
- B. Upward
- C. Right
- D. Downward
|
| 2 |
The set of all points in the plane that are equally distant from a fixed point is called a / an: |
- A. Circle
- B. Circular cone
- C. Ellipse
- D. Point circle
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| 3 |
The focus of the parabola y<sup>2</sup>=-4ax is: |
- A. (-a , 0)
- B. (0, a)
- C. (0, -a)
- D. (a, 0)
|
| 4 |
The vertex of the parabola x<sup>2</sup> = 4ay is: |
- A. (-a, 0)
- B. (0, a)
- C. (0, -a)
- D. (0, 0)
|
| 5 |
Length of tangent from (0,1) to x<sup>2</sup> + y<sup>2</sup> + 6x - 3y + 3 = 0 |
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| 6 |
If the focus lies on the x-axis with coordinates F(a, 0) and directrix of the parabola is = - a then the equation of parabola is: |
- A. x<sup>2</sup> = 4ay
- B. y<sup>2</sup>= 4ax
- C. -x<sup>2</sup>= 4ay
- D. -y<sup>2</sup>= 4ax
|
| 7 |
The vertex of the parabola y<sup>2</sup> = 4ax is: |
- A. (-a, 0)
- B. (a, 0)
- C. (0, -a)
- D. (0, 0)
|
| 8 |
A line perpendicular to a radial chord of a circle at the end-point (which lies on the circle) is a: |
- A. Secant
- B. Diameter
- C. Chord
- D. Tangent
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| 9 |
The graph of the parabola x<sup>2</sup> = -4ay lies in quadrants: |
- A. I and II
- B. III and IV
- C. II and III
- D. I and III
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| 10 |
Two real and distinct tangents can be drawn to a circle from any point P(x<sub>1</sub>, y<sub>1</sub>) ______ the circle: |
- A. Inside
- B. On
- C. Outside
- D. None of these
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