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If the line x-y+k =0 is a tangent to the...

If the line x-y+k =0 is a tangent to the parabola `x^(2) = 4y` then k =

A

1

B

2

C

3

D

4

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AAKASH SERIES-PARABOLA-EXERCISE- I
  1. If (6, 9) is one end of double ordinate of x^(2)=4y then equation of d...

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  2. If x+y-1 = 0 touches the parabola y^(2) = kx the value of k is

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  3. If the line x-y+k =0 is a tangent to the parabola x^(2) = 4y then k =

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  4. The condition for- the line 4x + 3y + k = 0 to intersect y^(2) = 8x is

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  5. The equation of the tangent to the parabola y^(2)=16x and perpendicul...

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  6. The sum and product of the slopes of the tangents to the parabola y^(2...

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  7. The locus of the point of intersection of two tangents to the parabola...

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  8. The locus of the point of intersection of perpendicular tangents to th...

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  9. Angle between tangents drawn at ends of focal chord of parabola y^(2) ...

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  10. Point of intersection of tangents to the paraholu (y-2)^(2) = 4(x-1) a...

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  11. The equation of the normal to the curve x^2=4y at (2,1) is

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  12. The graph represented by the equations x= sin ^(2) t, y = 2 cos t is

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  13. Find the value of k if the line 2y=5x+k is a tangent to the parabola y...

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  14. The equation of the tangent to the parabola y^(2)=8x and which is para...

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  15. The line 4x+6y+9 =0 touches the parabola y^(2)=4ax at the point

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  16. The sum of the slopes of the tangents to the parabola y^(2)=8x drawn f...

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  17. The locus of point of intersection of perpendicular tangents drawn to ...

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  18. The point of intersection of tangents at the ends of Iatus rectum of t...

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  19. The equation to the normal to the parabola x^(2) = 2y at (1, 2) is

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  20. Assertion(A) : If the line x = 3y+k touches the parabola 3y^(2) = 4x t...

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