Basics of Parabola

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Basics of Parabola: Overview

This Topic covers sub-topics such as Parabola, Latus Rectum of a Parabola, Vertex of a Parabola, Standard Equations of Parabola, Axis of a Parabola, Focal Distance of a Point on Parabola and, Double Ordinate of a Parabola

Important Questions on Basics of Parabola

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Find the auxiliary circle for parabola x2+4x+4y+16=0.

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The vertex of a parabola is 1,2 and its axis is parallel to y-axis. If parabola passes through 0,6, then the length of its latus rectum is _____

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The function corresponding to the graph shown below is

Question Image

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The vertex of the parabola x2=8y-1 is

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If x-2=t2,y=2t are the parametric equations of the parabola y2=a(x-b), then the value of a+b equals

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If the line 2bx+3cy+4d=0 passes through the points of intersection of y2=4ax and x2=4ay, then _______

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The parametric equation of a parabola is given by x=1-2t, y=2t2-2. The length of latus-rectum of the parabola is

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The co-ordinates of one of the end points of the latus-rectum of the parabola (y-1)2=2x+2 are

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If the co-ordinates of one end-point of a focal chord of the parabola y2=32x are 2, -8, then the co-ordinates of other end-point are

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If the equation of the directrix of the parabola y2-kx+8=0 is x-1=0, then k=

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If the straight line 2x-y=8 is a focal chord of the parabola y2=ax then the equation of the directrix is

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If the straight line 2x+y+λ=0 is a focal chord of the parabola y2=-8x, the value of λ is

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The length of latus-rectum of the parabola 169(x-1)2+(y-3)2=5x-12y+172 is

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The co-ordinates of the point of intersection of the axis and the directrix of the parabola x2+4x+4y+16=0 are

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If the co-ordinates of the vertex and focus of a parabola are 1, 4 and 2, 6 respectively, then the equation of its directrix is

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If the co-ordinates of the vertex and the focus of a parabola are -1, 1 and 2, 3 respectively, then the equation of the directrix is

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If the parametric equation of a parabola is x=t2+1, y=2t+1, then the Cartesian equation of the directrix is

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The equation of the directrix of the parabola y2+4x+3=0 is

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For a parameter $t$ the locus of the point 2t-3, 4t2-1 is

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If t be a parameter then the locus of the point P2a cos2 t, 2a cos t represents