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The focus and directrix of the parabola ...

The focus and directrix of the parabola `9 x ^(2) - 24 xy + 16 y^(2) - 20 x - 15 y - 60 = 0 ` is _

A

`(-(43)/(25),-(129)/(100))`

B

`(-(43)/(25),(129)/(100))`

C

16 x + 12 y + 53 = 0

D

16x + 12 y - 53 = 0

Text Solution

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The correct Answer is:
A, C
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Knowledge Check

  • The equation of directrix of the parabola 4x^(2) =3y is _

    A
    16 y + 3 =0
    B
    16 y - 3 = 0
    C
    8 y + 3 = 0
    D
    8y - 3 = 0

  • The equation of directrix of the parabola 3y^(2) =- 4x is _

    A
    3x + 1 = 0
    B
    3x + 2 = 0
    C
    3x - 1 = 0
    D
    3x - 2 = 0

  • The equation of directrix of the parabola 3x^2=-4y is

    A
    3y-1=0
    B
    3x-1=0
    C
    3y+1=0
    D
    3x+1=0

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