Home
Class 12
MATHS
The equation of the directrix of the par...

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

A

` x=- 1 `

B

` x=1 `

C

` x=-(3)/(2) `

D

` x= (3)/(2) `

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • REVISION EXERCISE

    AAKASH SERIES|Exercise ELLIPSE|55 Videos

  • REVISION EXERCISE

    AAKASH SERIES|Exercise HYPERBOLA|46 Videos

  • REVISION EXERCISE

    AAKASH SERIES|Exercise SYSTEM OF CIRCLES|22 Videos

  • RANDOM VARIABLES

    AAKASH SERIES|Exercise Exercise 4.4|9 Videos

  • SEQUENCE AND SERIES

    AAKASH SERIES|Exercise Practice Exercise|71 Videos

Similar Questions

Explore conceptually related problems

The equation of the directrix of the parabola y^(2)-4ay-2ax=0 is

The equation of the directrix of the parabola x^(2)-4x +16y+52=0 is

The equation of the directrix of the parabola 3x^(2)-9x+5y-2=0 is

The equation of the directrix to the parabola y^(2)-2x-6y-5=0 is

Find the coordinates of the vertex and focus and the equations of the directrix and axis of the parabolas (i) y^(2) = 16 x

The equation of the axis of the parabola (y+3)^(2)=4 (x-2) is

Find the coordinates of the vertex and focus and the equations of the directrix and axis of the parabolas (ii) x^(2) = -4y

Find the equations of axis and directrix of the parabola y^(2)+6y-2x+5=0.

AAKASH SERIES-REVISION EXERCISE -PARABOLA
  1. A set of parallel chords of the parabola y^(2) =4ax have their mid-po...

    Text Solution

    |

  2. If the angular bisectors of the coordinates axes cut the parabola y^(2...

    Text Solution

    |

  3. If the straight line y=mx+c is parallel to the axis of the parabola y^...

    Text Solution

    |

  4. The set of point on the axis of the parabola y^(2) -2y -4x + 5=0 from ...

    Text Solution

    |

  5. Given :A circle 2x^(2) +2y^(2) =5 and a parabola y^(2) =4 sqrt5 x. ...

    Text Solution

    |

  6. If a ne0 and the line 2bx+3cy+4d =0 passes through the points of inter...

    Text Solution

    |

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

    Text Solution

    |

  8. The locus of the vertices of the family of parabolas y = (a^(3)x^(2))/...

    Text Solution

    |

  9. The equation of the common tangent to x^(2)+y^(2)=2a^(2)"and" y^(2)=8a...

    Text Solution

    |

  10. The normal at a point (bt1^(2) , 2bt1) on a parabola meets the parabo...

    Text Solution

    |

  11. The sloope of the line touching both the parabolas y^(2) =4x and x^(2)...

    Text Solution

    |

  12. Statement 1: The slope of the tangent at any point P on a parabola , w...

    Text Solution

    |

  13. Statement 1: The line x-2y =2 meets the parabola y^(2) +2x=0 only at ...

    Text Solution

    |

  14. The point of intersection of the normals to the parabola y^(2) =4x at ...

    Text Solution

    |

  15. Let L1 be the length of the common chord of the curves x^(2) +y^(2)...

    Text Solution

    |

  16. Two tangents are drawn from a point (-2,-1) to the curve y^(2) =4x, ...

    Text Solution

    |

  17. A chord is drawn through the focus of the parabola y^(2) =6x such tha...

    Text Solution

    |

  18. Lety^(2) =16x be a given parabola and L be an extremity of its latus r...

    Text Solution

    |

  19. The locus of the mid points of the chords of the prarabola x^(2) =4py...

    Text Solution

    |

  20. Let O be the vertex and Q be any point on the parabola ,x^(2) =8y . If...

    Text Solution

    |