Home
Class 14
MATHS
The radius of the circle x^(2) + y^(2) +...

The radius of the circle `x^(2) + y^(2) + x + c = 0` passing through the origin is

A

`(1)/(4)`

B

`1/2`

C

`1`

D

`2`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CIRCLE

    PUNEET DOGRA|Exercise PREV YEAR QUESTIONS |21 Videos

  • BINOMIAL THEOREM

    PUNEET DOGRA|Exercise PREV YEAR QUESTIONS|41 Videos

  • COMPLEX NUMBER

    PUNEET DOGRA|Exercise PREVIOUS YEAR QUESTIONS|87 Videos

Similar Questions

Explore conceptually related problems

The normal to the circle x^(2) + y^(2) -2x -2y = 0 passing through (2,2) is

The equation of a diameter of circle x ^(2) + y^(2)-6x + 2y =0, passing through origin is

Equation of the diameter of the circle x^(2)+y^(2)-2x+4y=0 which passes through the origin is x+2y=0 b.x-2y=0 c.2x+y=0 d.2x-y=0

A chord of the circle x^(2)+y^(2)-4x-6y=0 passing through the origin subtends an angle arctan(7/4) at the point where the circle meets positive y-axis.Equation of the chord is

The common chord of the circle x^(2)+y^(2)+6x+8y-7=0 and a circle passing through the origin and touching the line y=x always passes through the point.(-(1)/(2),(1)/(2)) (b) (1,1)((1)/(2),(1)/(2)) (d) none of these

Equation of the circle concentric with the circle x^(2) + y^(2) + 8x + 10 y - 7 = 0 , and passing through the centre of the circle x^(2) + y^(2) - 4x - 6y = 0 ,is

The equation of the chord of the circle x^(2)+y^(2)-3x-4y-4=0, which passes through the origin such that the origin divides it in the ratio 4:1, is

PUNEET DOGRA-CIRCLE -PREV YEAR QUESTIONS
  1. If y-axis touches the cirle. x^(2) + y^(2) + gx + fy +c/4 = 0 then t...

    Text Solution

    |

  2. The equation of a circle whose end points of a diameter are (x(1) , y(...

    Text Solution

    |

  3. The equation of the circle which passes through the points (1,0) , (0,...

    Text Solution

    |

  4. The two circle x^(2) + y^(2) = r^(2) and x^(2) + y^(2) - 10 x + 16 = 0...

    Text Solution

    |

  5. What is the equation of the circle which passes through the points (3 ...

    Text Solution

    |

  6. What is the radius of the passing through the point (2 ,4) and having ...

    Text Solution

    |

  7. Consider the two circles (x-1)^(2) + (y-3)^(2) = r^(2) and x^(2) + y...

    Text Solution

    |

  8. Consider the two circles (x-1)^(2) + (y-3)^(2) = r^(2) and x^(2) + y^(...

    Text Solution

    |

  9. If a circle of radius b units with centre at (0,b) touches the line y...

    Text Solution

    |

  10. Consider a circle passing through the origin and the points (a, b) and...

    Text Solution

    |

  11. Consider a circle of passing through the origin and the points (a,b) ...

    Text Solution

    |

  12. A straight line x=y+2 touches the circle 4(x^2+y^2)=r^2 , The value of...

    Text Solution

    |

  13. If the centre of the circle passing through the origin is (3,4). th...

    Text Solution

    |

  14. Consider the circles x^(2) + y^(2) + 2ax + c = 0 and x^(2) + y^(2) + 2...

    Text Solution

    |

  15. Consider the circles x^(2) + y^(2) + 2ax + c = 0 and x^(2) + y^(2) + 2...

    Text Solution

    |

  16. The radius of the circle x^(2) + y^(2) + x + c = 0 passing through the...

    Text Solution

    |

  17. Which one of the following points lies inside a circle of radius 6 and...

    Text Solution

    |

  18. What is the radius of the circle touching x-axis at (3,0) and y-axis ...

    Text Solution

    |

  19. What is the equation to circle which touchs both the axes and has cen...

    Text Solution

    |

  20. Consider the following statement in respect of circles x^(2) + y^(2)...

    Text Solution

    |