| 1 |
The directrix of the parabola x<sup>2</sup> = 4ay is: |
- A. x = a
- B. x = -a
- C. y = a
- D. y = -a
|
| 2 |
The graph of the parabola y<sup>2</sup> = -4ax lies in quadrants: |
- A. I and II
- B. III and IV
- C. II and III
- D. I and III
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| 3 |
The conic is a parabola, if: |
- A. e = 1
- B. e > 1
- C. 0 < e < 1
- D. e = 0
|
| 4 |
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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| 5 |
The graph of the parabola y<sup>2</sup> = -4ax is symmetric about: |
- A. x-axis
- B. major axis
- C. y-axis
- D. minor axis
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| 6 |
The directrix of the parabola x<sup>2</sup> = -4ay is: |
- A. x = a
- B. x = -a
- C. y = a
- D. y = -a
|
| 7 |
The opening of the parabola x<sup>2</sup>= 16y is to __________ of the x-axis: |
- A. Left
- B. Upward
- C. Right
- D. Downward
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| 8 |
The center of circle (x+3)<sup>2</sup> + (y-2)<sup>2</sup> = 16 equals: |
- A. (-3, 2)
- B. (3, -2)
- C. (3, 2)
- D. (-3, -2)
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| 9 |
The vertex of parabola (x - 1)<sup>2</sup> = 8 (y + 2) is: |
- A. (1, -2)
- B. (0, 1)
- C. (-1, -2)
- D. (1, 2)
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| 10 |
Perpendicular dropped from the center of a circle on a chord _______ the chord: |
- A. Normal
- B. Bisects
- C. Equal to
- D. None of these
|