Home
Class 12
MATHS
If (3, 6) is vertex and (4, 5) is focus ...

If (3, 6) is vertex and (4, 5) is focus of parabola then equation of directrix is

A

x + y + 5 = 0

B

x + y - 5 = 0

C

X - y - 5 = 0

D

X - y + 5 = 0

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PARABOLA

    AAKASH SERIES|Exercise EXERCISE- II|100 Videos

  • PARABOLA

    AAKASH SERIES|Exercise PRACTICE EXERCISE|33 Videos

  • PARABOLA

    AAKASH SERIES|Exercise ADDITIONAL EXERCISE|13 Videos

  • MEASURES OF DISPERSION (STATISTICS)

    AAKASH SERIES|Exercise Practice Exercise|54 Videos

  • PARTIAL FRACTIONS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|31 Videos

Similar Questions

Explore conceptually related problems

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 coordinates of the vertex and focus and the equations of the directrix and axis of the parabolas (iii) 3x^(2) -9x+ 5y - 2=0

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

Find the coordinates of the vertex and focus, the equation of the directrix and axis of the following parabolas. (i) y^(2) + 4x + 4y-3

If (2,0) is the vertex and y-axis is the directrix of a parabola then its focus is

Find the coordinates of the vertex and focus, the equation of the directrix and axis of the following parabolas. (ii) x^(2) - 2x + 4y -3=0

AAKASH SERIES-PARABOLA-EXERCISE- I
  1. Equation of axis or parabola y^(2)+3y+2x+5-0 is

    Text Solution

    |

  2. The parabola y=px^(2)+px+q is symmetrical about the line

    Text Solution

    |

  3. If (3, 6) is vertex and (4, 5) is focus of parabola then equation of d...

    Text Solution

    |

  4. The equation of directrix and latusrectum of a parabola are 3x - 4y + ...

    Text Solution

    |

  5. The point (3,4) is the focus and 2x-3y+5=0 is the directrix of a parab...

    Text Solution

    |

  6. The coordinates of a point on the parabola y^(2)= 16x whose focal dist...

    Text Solution

    |

  7. The focal distance of the point (4,2) on the parabola x^(2)=8y is

    Text Solution

    |

  8. If 2x + y + k - 0 is a focal chord of y^(2) + 4x = 0 then k =

    Text Solution

    |

  9. lf ( 18, 12) is one end of a double ordinate of y^(2) = 8x then equati...

    Text Solution

    |

  10. The vertex and focus of parabola (y-2)^(2) = -4(x-4) are

    Text Solution

    |

  11. The equation of the latus rectum of the parabola x^(2)-12x-8y+52=0 is

    Text Solution

    |

  12. The ends of the latus rectum of the parabola (x-2)^(2)=-6(y+1) are

    Text Solution

    |

  13. The focal distance of the point (9,6) on the parabola y^(2)=4x is

    Text Solution

    |

  14. If (6, 9) is one end of double ordinate of x^(2)=4y then equation of d...

    Text Solution

    |

  15. If x+y-1 = 0 touches the parabola y^(2) = kx the value of k is

    Text Solution

    |

  16. If the line x-y+k =0 is a tangent to the parabola x^(2) = 4y then k =

    Text Solution

    |

  17. The condition for- the line 4x + 3y + k = 0 to intersect y^(2) = 8x is

    Text Solution

    |

  18. The equation of the tangent to the parabola y^(2)=16x and perpendicul...

    Text Solution

    |

  19. The sum and product of the slopes of the tangents to the parabola y^(2...

    Text Solution

    |

  20. The locus of the point of intersection of two tangents to the parabola...

    Text Solution

    |