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Equation of the directrix of the parabol...

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

A

`4x - 1 = 0 `

B

`4x + 1 = 0`

C

`5x + 1 = 0`

D

`5x - 1 = 0`

Text Solution

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The correct Answer is:
C
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MARVEL PUBLICATION-CIRCLE AND CONICS -MULTIPLE CHOICE QUESTIONS
  1. If (4,0) is the vertex , and Y-axis the directrix of a parabola , then...

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  2. If ASB is a focal chord of a parabola such that AS = 2 and SB = 4 , th...

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

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  4. The parametric coordinates of any point on the parabola y^(2) = 4ax ca...

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  5. If PSQ is a focal chord of the parabola y^(2) = 4ax such that SP = 3...

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  6. If P S Q is a focal chord of the parabola y^2=8x such that S P=6 , the...

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  7. If the equation of a parabola is y^(2) + 12x - 4y = 32 , then its ec...

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  8. Distance between an end of a latus-rectum of the parabola y^(2) = 16x...

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  9. Semi-axes are 3 and 2

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  10. Find the equation of th ellipse, the co-ordinates of whose foci are (p...

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  11. Find the equation of the ellipse which passes through the points (3,1)...

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  12. Find the equation to the ellipse (referred to its axes as the axes of ...

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  13. Find equation of ellipse whose l(latus-rectum) = (5)/(2) and eccentri...

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  14. Minor axis = 6 and one vertex at (5,0) .

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  15. Major axis = 3 (minor axis) and l (latus-rectum ) = 2

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  16. Foci are (pm 3,0) " and vertices " (pm 5,0)

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  17. Find equation of ellipse whose vertices are (pm 3,0) and passes thro...

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  18. Distance between foci is 6 and eccentricity is 3/5

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  19. Distance between directrices is 10 and eccentricity (1)/(sqrt(5)) .

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  20. Distance between foci is 4 and distance between directrices is 5

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