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The coordinates of focus of the parabola...

The coordinates of focus of the parabola `2y^2=-5x` are

A

(-5/8,0)

B

(-5/2,0)

C

(0,-5/2)

D

(0,-5/8)

Text Solution

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The correct Answer is:
D
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PATHFINDER-PARABOLA, ELLIPSE AND HYPERBOLA-QUESTION BANK
  1. The length of latus rectum of the parabola (y-1)^(2) =- 6( x+2) is

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  2. If the coordinates of vertex and focus of a parabola be (2,1) & (2,3) ...

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  3. The coordinates of focus of the parabola 2y^2=-5x are

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

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  5. The coordinates of the vertex of the parabola (x + 1)^(2) =- 9(y +2) ...

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  6. Find the length of the latus rectum of the parabola y =- 2x^(2) + 12 ...

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  7. The vertex of a parabola is at the origin and its focus is (0,-(5)/(4...

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  8. Find the point on the parabola y^(2) = - 36 x at which the ordinate ...

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  9. The coordinates of the vertex and focus of a parabola are (1,2) and ...

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  10. Find the equation of the parabola whose vertexi is the point (1,-2) an...

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  11. Find the equatio of the parabola whose focus is at the origin and the...

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  12. Find the coordinates of vartex and the length of latus rectum of the p...

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  13. If theta is a variable paramete, then the equations x= 1/4(3- cosec ^(...

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  14. The locus of middle points of a family of focal chord of the parabola ...

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  15. The coordinates of the two ends of latus rectum of a parabola are (8,1...

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  16. A parabola passes through the points (0.0) ,(2,2) and (-2,-6) and it...

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  17. If (at^(2) , 2at) be the coordinate of an extremity of a focal chord o...

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  18. The directrix of a parabola is x + y + 4 = 0 and vertix is the point (...

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  19. Show that the equation of the chord of the parabola y^2=4ax through th...

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  20. The pt. (2+4costheta, 1+2sintheta) represents the parametric coordinat...

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