| 1 |
The axis of the parabola y<sup>2</sup> = 4ax is: |
- A. x = 0
- B. x = a
- C. y = 0
- D. y = a
|
| 2 |
If equation of circle is (x - h)<sup>2</sup> + (y - k)<sup>2</sup> = r<sup>2</sup>, then center of a circle: |
- A. (-h, -k)
- B. (h, k)
- C. (-h, k)
- D. (h, -k)
|
| 3 |
The equ. of directrix of the parabola y<sup>2</sup> = -4ax is: |
- A. x = a
- B. x = - a
- C. y = a
- D. y = -a
|
| 4 |
The focus of the parabola x2=-4ay is: |
- A. (-a , 0)
- B. (0, a)
- C. (0, -a)
- D. (a, 0)
|
| 5 |
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
|
| 6 |
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
|
| 7 |
The graph of the parabola y<sup>2</sup>= -4ax is symmetric about: |
- A. x-axis
- B. y = x
- C. y-axis
- D. None of these
|
| 8 |
In the case of translation of axes which formula is true: |
- A. x = X - h
- B. x = X + h
- C. x + X = h
- D. None
|
| 9 |
In the case of rotation of axes which formula is true: |
|
| 10 |
The conic is a parabola, if: |
- A. e = 1
- B. e > 1
- C. 0 < e < 1
- D. e = 0
|
