Find an Equation for the Conic That Satisfies the Given $4$

Multiple Choice

Find an equation for the conic that satisfies the given conditions. parabola, vertex (0, 0) , focus (0, - $4$ )

A) $x ^ { 2 } = 4 y$
B) $y ^ { 2 } = - 17 x$
C) $x ^ { 2 } + y ^ { 2 } = 16 y$
D) $x ^ { 2 } = - 16 y$
E) $x ^ { 2 } = - y$