Home
Class 11
MATHS
Equation of the directrix of the parabol...

Equation of the directrix of the parabola `y^(2)+4x+2=0` is

A

`y=3`

B

`3y=2`

C

`2y=3`

D

`3y+2=0`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CIRCLE AND CONICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|28 Videos

  • CIRCLE AND CONICS

    TARGET PUBLICATION|Exercise CRITICAL THINKING|75 Videos

  • FACTORIZATION FORMULAE

    TARGET PUBLICATION|Exercise EVALUATION TEST|8 Videos

Similar Questions

Explore conceptually related problems

The equation of the directrix of the parabola y^(2)+4y+4x+2=0 is x=-1( b) x=1x=-(3)/(2)(d)x=(3)/(2)

Equation of the directrix of the parabola 5y^(2) = 4x is

The directrix of the parabola y^(2)+4x+3=0 is

The equation of the directrix of the parabola x^(2) = 8y is

Find the equation of the directrix of the parabola x^(2)-4x-3y+10=0

Equation of directrix of parabola 5y^(2) = 4x is

TARGET PUBLICATION-CIRCLE AND CONICS -COMPETITIVE THINKING
  1. A line cuts the X-axis at A (5,0) and the Y-axis at B(0,-3). A variabl...

    Text Solution

    |

  2. The distance between the vertex and the focus of the parabola x ^(2) -...

    Text Solution

    |

  3. Equation of the directrix of the parabola y^(2)+4x+2=0 is

    Text Solution

    |

  4. The equation of the directrix of the parabola x ^(2) + 8y -2x =7 is

    Text Solution

    |

  5. For the parabola y ^(2) +6y -2x =-5 I) the vertex is (-2, -3) II) ...

    Text Solution

    |

  6. The two parabolas x^2= 4y and y^2=4x meet in two distinct points. One...

    Text Solution

    |

  7. Let O be the vertex and Q be any point on the parabola,x^2=""8y . I...

    Text Solution

    |

  8. The cartesian co - ordinates of the point on the parabola y^(2)=...

    Text Solution

    |

  9. Tangent and normal are drawn at P(16,16) on the parabola y^2=16x which...

    Text Solution

    |

  10. The straight lines y=+-x intersect the parabola y^(2)=8x in points P a...

    Text Solution

    |

  11. If a!=0 and the line 2b x+3c y+4d=0 passes through the points of in...

    Text Solution

    |

  12. The eccentricity of the ellipes (x ^(2))/(36)+ (y^(2))/(16) =1 is

    Text Solution

    |

  13. Eccentricity of the ellipse 4x ^(3) + y 6(2) -8x+ 4x +4y -8=0 is

    Text Solution

    |

  14. The eccentricity of the conic x ^(2) + y^(2) -2x + 3y + 2=0 is

    Text Solution

    |

  15. The lengths of major and minor axis of an ellipse are 10 and 8 respect...

    Text Solution

    |

  16. If the centre, one of the foci and semi-major axis of an ellipse are (...

    Text Solution

    |

  17. The equation of the ellipse with foci (pm 2, 0) and eccentricity =1/2 ...

    Text Solution

    |

  18. If the foci of an ellipse are (pm sqrt5,0) and its exccentricity is (...

    Text Solution

    |

  19. Equation of the ellipse whose axes are the axes of coordinates and ...

    Text Solution

    |

  20. Find the equation of an ellipse hose axes lie along the coordinate ...

    Text Solution

    |