The focus of the parabols x2=−16y is
(4, 0)
(0, 4)
(-4, 0)
(0, -4)
a = 4 , vertex = (0,0) , focus = (0,-4) .
Find the coordinates of the focus, axis of the parabola, the equation of the directrix and the length of the latus rectum. x2=−16y
Find the coordinates of the focus, axis of the parabola, the equation of directrix and the length of the latus rectum for x2 = – 16y