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Foot of the directrix of the parabola ...

Foot of the directrix of the parabola ` y^(2) = 4ax ` is the point

A

(0,0)

B

(a,0)

C

(-a,0)

D

(-a,a)

Text Solution

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The correct Answer is:
C
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MARVEL PUBLICATION-CIRCLE AND CONICS -MULTIPLE CHOICE QUESTIONS
  1. Equation of parabola ,having (4,-8) and (4,8) as ends of its latus-rec...

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  2. Tangent to y^(2) = 4ax at its vertex is

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  3. Foot of the directrix of the parabola y^(2) = 4ax is the point

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  4. If A (x(1) , y(1)) " and B" (x(2), y(2)) are point on y^(2) = 4ax , ...

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  5. If A (t(1)) " and " B(t(2)) are points on y^(2) = 4ax , then slope ...

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  6. Points A,B ,C , D on y^(2) = 4ax have parameters t(1) , t(2), t(3), ...

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  7. Points A,B,C,D, on y^(2) = 4ax have parameters t(1) , t(2), t(3) , ...

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  8. If PQ is a focal chord of parabola y^(2) = 4ax whose vertex is A , t...

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  9. If focal distance of a point P on y^(2) = 8x is 4, then P is

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  10. If focal distance of point P on y^(2) = 4x is 6, then P is

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  11. An equilateral triangle is inscribed in y^(2) = 8x so that one angul...

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  12. If (4,0) is the vertex , and Y-axis the directrix of a parabola , then...

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  13. The angle subtended by the double ordinate of length 8a of the parabol...

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  14. If points (au^(2), 2au)'" and " (av^(2) , 2av) are ends of a focal c...

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  15. A circle centred at the vertex of parabola x^(2) = 4y intersects it ...

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

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

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  18. If a parabole y^(2) = 4ax passes through (2,-6), then its latus-rectu...

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

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  20. The length of the latusrectum of the parbola whose focus is (3, 3) and...

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