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If (2,0) is the vertex and y-axis is the...

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

A

`(-4,0)`

B

(4,0)

C

(-2,0)

D

(2,0)

Text Solution

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-PARABOLA-EXERCISE 1 A
  1. The distance between the vertex and the focus of the parabola x^(2)-2x...

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  2. The two ends of latusrectum of a parabola are the points (3,6) and (-5...

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

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  4. The length of the latus rectum of the parabola y^(2) +8x-2y+17=0 is

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  5. The length of the latus rectum of the parabola 4y^(2)+12x-20y+67=0 is

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  6. The length of the latus rectum of the parabola x^(2)-4x+8y+28=0 is

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  7. The length of the latus rectum of the parabola 3x^(2)-9x+5y-2=0 is

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

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  9. The length of the latusrectum of the parabola whose focus is (mu^(2)/(...

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  10. Latus rectum of the parabola whose axis is parallel to the y-axis and ...

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

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  12. If the parabola y^(2)=4ax passes through (-3,2) then the length of its...

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

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

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  15. The equation of the latus rectum of the parabola (y-2)^(2)=-4(x+2) is

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

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

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  18. The parabola (y+1)^(2)=a(x-2) passes through point (1,-2). The equaito...

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

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

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