Mathematics Conic Section Online Test

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Question 1

1. $Math 20.01$

Question 2

2. Circles (x – 7)² + (y – 9)² = 3 is not concentric to the circle

Answer

(x + 7)² + (y + 9)² = √3

Answer

(x – 7)² + (y – 9)² = 3

Answer

(x + 7)² + (y + 9)² = 3√3

Answer

(x + 7)² + (y + 9)² = 9

Question 3

3. For a circle x² + y² = 81, the point (5,6) lies

Answer

None of these

Answer

Inside the circle

Answer

Outside the circle

Answer

On the circle

Question 4

4. The center of the circle (x – 1)² + (y – 3)² = 3 is

Answer

(– 1, –3)

Question 5

5. The length of latus – rectum of the ellipse x²/9 + y²/9 = 1 is

Question 6

6. The square of the length of the tangent from the point P(x₁y₁) to the circle x² + y² + 2gx + 2fy + c = 0 is

Answer

√x²₁ + y²₁ = a²

Answer

x²₁ + y²₁ > a²

Answer

x²₁ + y²₁ +2gx₁ + 2fy₁ + c

Answer

√x²₁ + y²₁ +2gx₁ + 2fy₁ + c

Question 7

7. The center of the circle x² + y² + 2gx + c = 0 is

Answer

(– g, – f)

Answer

(– f, – g)

Question 8

8. Equation of tangent the parabola y² = 4ax at (x + y₁) is

Answer

y – y₁ = y₁/2a (x + x₁)

Answer

y – y₁ = 2a/x₁ (x + x₁)

Answer

yy₁ =2a (x + x₁)

Answer

xx₁ = 2a (x + y₁)

Question 9

9. Point (x₁, y₁) lies inside the circle x²+y²+2gx+2fy+c= 0 if

Answer

x₁² + y₁² = 0

Answer

x₁² + y₁² + 2gx₁ + 2fy₁ + c = 0

Answer

x₁² + y₁² + 2gx₁ + 2fy₁ + c < 0

Answer

x₁² + y₁² + 2gx₁ + 2fy₁ + c > 0

Question 10

10. Parametric equation o ellipse x²/a² + y²/b² = 1

Answer

x = asec Ø, y = btan Ø

Answer

x = asin Ø, y = bcos Ø

Answer

x = atan Ø, y = bsec Ø

Answer

x = acos Ø, y = bsin Ø

Question 11

11. Fixed point from which all points of a circle are equidistant is

Answer

Center of the circle

Answer

Center of hyperbola

Answer

Radius of the circle

Answer

Center of ellipse

Question 12

12. The length of latus – rectum of the ellipse x²/9 + y²/16 = 1

Question 13

13. The radius of the circle x²+y²+2gx+2fy+c=0 is

Answer

√g²–f²–c

Answer

√g²+f²–c

Answer

√g²+f²+c

Question 14

14. Two tangents from a point p(x₁, y₁) are real and distinct if the point is

Answer

None of these

Answer

Out side the circle

Answer

Inside the circle

Answer

One the circle

Question 15

15. If A (x₁, y₁) and (x₂ – y₂) are ends of the diameter, then the center of the circle is

Answer

(x₁–x₂/2 , y₁+y₂/2) = 0

Answer

(x₁–x₂/2 , y₁–y₂/2) = 0

Answer

(x²+y²+x+y) = 0

Answer

(x₁+x₂/2 , y₁+y₂/2) = 0

Question 16

16. Focal axis are also known as

Answer

None of these

Answer

Conjugate axis

Answer

Both a and b

Answer

Transverse axis

Question 17

17. The parabola y² = 2x passes through

Question 18

18. Conic sections or conics are the curves obtained by cutting a come by

Question 19

19. Equation of normal to the circle x² + y² = a² is (aco s θ, a sinθ) is

Answer

x cos θ – y sin θ = 0

Answer

x sin θ – y cos θ = 0

Answer

x cos θ + y sin θ = 0

Answer

x sin θ + y cos θ = 0

Question 20

20. The line through the focus and perpendicular is directrix is called

Answer

Axis of parabola

Question 21

21. Parametric equation of circle x² + y² = r² are

Answer

x = r cos θ, y = sin θ

Answer

x = r cosh θ, y sin θ

Answer

x = r sec θ, y = r tan θ

Answer

x = r cos θ, y = r sec θ

Question 22

22. The center of the circle is

Question 23

23. The size of the circle obtained by cutting the cone by a plane perpendicular to the axis of the cone depends on how near the plane is to the

Answer

Nappe of the cone

Answer

Axis of the cone

Answer

Space of the cone

Answer

Vertex of cone

Question 24

24. If cutting plane is 11 is axis of cone and cuts both of its napes then intersection is

Answer

None of these

Question 25

25. If A (0, 0) and (– 1, 0) are ends of the diameter, then the equation fo the circle is

Answer

x² + y² + x = 0

Answer

x² + y² + y = 0

Answer

x² + y² – y = 0

Answer

x² + y² – x = 0

Question 26

26. If the intersecting plane is parallel to the axis of the cone and intersects both of its apes then, the resulting section is

Answer

A parabola

Answer

A hyperbola

Answer

An ellipse

Question 27

27. xx₁ + yy₁ + g(x+x₁) f(y+y₁) + c = 0 represents an equation of

Answer

None of these

Answer

Slope of tangent

Question 28

28. Equation of circle with center at origin and radius r is

Answer

x – y² = r²

Answer

x + y² = r²

Answer

x – y = r

Question 29

29. The line y = mx + c will be tangent b x²/a² + y²/b² = 1 A > b then

Answer

a²b²+m²

Answer

a²+b²m²

Answer

a²m²+b²

Answer

None of these

Question 30

30. The center of the ellipse x²/a² + y²/b² = 1 is

Question 31

31. The curves obtain by cutting a (double) right circular cone by a plane are called

Answer

Conic sections

Answer

None of these

Answer

Both a and b

Question 32

32. Vertices of x²/a² + y²/b² = 1, a > b are

Question 33

33. Equation of tangent to the circle x² + y² = 4 is (2cosθ, 2sinθ) is

Answer

xco s θ – y sin θ = 0

Answer

xco s θ + y sin θ = 4

Answer

xco s θ + y sin θ = 2

Answer

xco s θ + y sin θ = √2

Question 34

34. Radius of the circle x² + y² + 12x – 10 y = 0 is

Question 35

35. If the intersecting plane is slightly tilted and cuts only one nappe of the cone, the resulting section is

Answer

A parabola

Answer

An ellipse

Answer

A hyperbola

Question 36

36. Electricity of the ellipse x²/a² + y²/b² = 1 is

Answer

None of these

Question 37

37. The extremities of the transverse axis of hyperbola are called its

$Math 20.02$

Question 38

38. Equation of circle with center at origin and radius √5 is

Answer

x² + y² = 25

Answer

x² + y² = 5

Answer

(x – 3)² + y² = 5

Answer

x² + y² = √5

Question 39

39. An equation of the form Ax² + By² + Cx + Fy + G = 0 represents a circle if

Answer

A = B ≠ 0

Answer

A = 0 or B = 0

Answer

None of these

Question 40

40. The tangents drawn from the point (x₁, y₁) to the circle x² + y² = a² are real and distinct if

Answer

x²₁ + y²₁ > a²

Answer

x²₁ + y²₁ < a²

Answer

x₁ + y₁ < a²

Answer

x²₁ + y²₁ = a²

Question 41

41. If A (0, 0) and (0, 1) are ends of the diameter, then the equation of the circle is

Answer

x² + y² + y = 0

Answer

x² + y² – y = 0

Answer

x² + y² – x = 0

Answer

x² + y² + x = 0

Question 42

42. The center of the circle 45x² + 45y² – 60x + 36y + 19 = 0 is

Answer

(– 2/5, 2/3)

Answer

(2/5, 2/3)

Answer

(2/3, –2/5)

Answer

(– 2/3, 2/5)

Question 43

43. Circle is special case of

Answer

None of these

Question 44

44. Equation of circle with center (h, k) and radius r is

Answer

(x – h)² + (y – k)² = r²

Answer

(x – h) + (y – k) = r²

Answer

(x – h)² + (y + k)² = r²

Answer

(x + h)² + (y + k)² = r²

Question 45

45. The radius of the circle (x – 1)² + (y = 3)² = 3 is

Question 46

46. Equation of the parabola

Answer

y² = 4ax²

Question 47

47. Two circles are said to be concentric circles if they have

Answer

Same radius

Answer

Different centers

Answer

Same center

Answer

Same diameter

Question 48

48. The lines which generate the cone are also known as

Answer

None of these

Answer

Axis of the cone

Question 49

49. Parametric equation of hyperbola are

Answer

x = at², y = 2at

Answer

x = asec Ø, y = b tan Ø

Answer

None of these

Answer

x = acos Ø, y = b = sin Ø

Question 50

50. The parabola x² = y passes through

Question 51

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Total Questions:	50
Time Allowed:	20 Minutes
Total Marks:	50
How to Attempt Test:	Please choose the right Option in MCQ-type question.
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Important Math Conic Section Question and Answer

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How to Score High in Mathematics Conic Section Online Test?

Key Preparation Tips:

More Related Resources

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Maan Ali

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