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The focal chord of the parabola y^2=a x ...

The focal chord of the parabola `y^2=a x` is `2x-y-8=0` . Then find the equation of the directrix.

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CENGAGE PUBLICATION-CONIC SECTIONS-All Questions
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  2. Find the length of the latus rectum of the parabola whose focus is at ...

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  3. The focal chord of the parabola y^2=a x is 2x-y-8=0 . Then find the eq...

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  5. Find the equation of the directrix of the parabola x^2-4x-3y+10=0.

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  7. In the parabola y^(2)=4ax, the tangent at P whose abscissa is equal to...

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  8. If the normal to the parabola y^2=4a x at point t1 cuts the parabola a...

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  9. If the three normals from any point to the parabola y^(2)=4x cut the l...

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  10. A ray of light moving parallel to the X-axis gets reflected from a par...

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  11. A circle and a parabola y^2=4a x intersect at four points. Show that t...

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  12. A parabolic mirror is kept along y^(2)=4x and two light rays, parallel...

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  13. If incident from point (-1,2) parallel to the axis of the parabola y^2...

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  15. Find the equation of the parabola with focus f(4,0) and directrix x=−4...

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  16. Find the value of lambda if the equation (x-1)^2+(y-2)^2=lambda(x+y+3)...

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  17. The equation of the latus rectum of a parabola is x+y=8 and the equati...

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  18. Prove that the locus of the centre of a circle, which intercepts a cho...

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  19. Find the value of lamda if the equation 9x^(2)+4y^(2)+2lamdaxy+4x-2y+3...

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