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Questions  >>  CBSE XI  >>  Math  >>  Conic Sections
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Find the coordinates of the focus, axis of the parabola, the equation of the directrix and the length of the latus rectum for the following : $ x^2=-16y$

$\begin {array} {1 1} (A)\;focus (0, 4) , Axis : y - axis, Equation \: of \: directrix : y+4=0, Length \: of \: the \: latus \: rectum : 16 \\ (B)\; focus (0, -4) , Axis : y - axis, Equation \: of \: directrix : y-4=0, Length \: of \: the \: latus \: rectum : 16 \\ (C)\;focus (4, 0) , Axis : x - axis, Equation \: of \: directrix : x+4=0, Length \: of \: the \: latus \: rectum : 16 \\ (D)\;focus (-4, 0) , Axis : x - axis, Equation \: of \: directrix : x-4=0, Length \: of \: the \: latus \: rectum : 16 \end {array}$

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