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=-9y$

Question

$\begin {array} {1 1} (A)\;focus \bigg(\large\frac{9}{4}, 0 \bigg) , Axis : x - axis, Equation \: of \: directrix : 4x-9=0, Length \: of \: the \: latus \: rectum : 9 \\ (B)\; focus \bigg(0, \large\frac{9}{4} \bigg) , Axis : y - axis, Equation \: of \: directrix : 4y+9=0, Length \: of \: the \: latus \: rectum : 9 \\ (C)\;focus \bigg(0, -\large\frac{9}{4} \bigg) , Axis : y - axis, Equation \: of \: directrix : 4y-9=0, Length \: of \: the \: latus \: rectum : 9 \\ (D)\;focus \bigg(-\large\frac{9}{4}, 0) , Axis : x - axis, Equation \: of \: directrix : 4x+9=0, Length \: of \: the \: latus \: rectum : 9 \end {array}$