| 1 |
The opening of the parabola x<sup>2</sup> = 4ay is upward of the: |
- A. x -axis
- B. y = c
- C. y - axis
- D. x = y
|
| 2 |
|
- A. x = 0
- B. y = -a
- C. y = 0
- D. y = -a
|
| 3 |
|
- A. Ellipse
- B. Parabola
- C. Hyperbola
- D. Circle
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| 4 |
A line segment joining two distinct points on a parabola is called a ___________ of the parabola: |
- A. Chord
- B. Vertex
- C. Focus
- D. Directrix
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| 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
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| 6 |
In the case of rotation of axes which formula is true: |
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| 7 |
Two arcs of two different circles are congruent if: |
- A. The circles are congruent
- B. The corresponding central angles are congruent
- C. Both a and b
- D. None of the above
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| 8 |
The focus of the parabola y<sup>2</sup>=-4ax is: |
- A. (-a , 0)
- B. (0, a)
- C. (0, -a)
- D. (a, 0)
|
| 9 |
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| 10 |
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)
|
