| 1 |
The vertex of the parabola x<sup>2</sup> = 4ay is: |
- A. (-a, 0)
- B. (0, a)
- C. (0, -a)
- D. (0, 0)
|
| 2 |
<div><font color="#000000" face="Times New Roman" size="3">The opening of the parabola y<sup>2</sup> = 4ax is to the ________ of the:</font></div><div></div> |
- A. Left
- B. Upward
- C. Right
- D. Downward
|
| 3 |
The vertex of the parabola x<sup>2</sup> = -4ay is: |
- A. (a, 0)
- B. (0, 0)
- C. (0, -a)
- D. (0, a)
|
| 4 |
In equation of circle, coefficient of each of x<sup>2</sup> and y<sup>2</sup> are: |
- A. Not equal
- B. Opposite in signs
- C. Equal
- D. None of these
|
| 5 |
If a circle and a line intersect in two points, then the line is called: |
- A. A chord
- B. A secant
- C. A diameter
- D. None of these
|
| 6 |
The focus of the parabola x<sup>2</sup> = 4ay: |
- A. (0, a)
- B. (-a , 0)
- C. (0, -a)
- D. (a, 0)
|
| 7 |
If the radius of a circle is zero, then the circle is called a / an: |
- A. Circle
- B. Circular cone
- C. Ellipse
- D. Point circle
|
| 8 |
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
|
| 9 |
Two circles of radius 3 cm and 4 cm touch each other externally. The distance between their centers is: |
- A. 1 cm
- B. 7cm
- C. 4cm
- D. 5cm
|
| 10 |
The axis of the parabola x<sup>2</sup> = -4ay is: |
- A. x = a
- B. x = 0
- C. y = a
- D. y = 0
|
