Write an Equation for the Parabola with Vertex at the Origin

Multiple Choice

Write an equation for the parabola with vertex at the origin.
-Through $( - 9,9 )$ , opening to the left

A) $x = \frac { 1 } { 9 } y ^ { 2 }$
B) $x = - 9 y ^ { 2 }$
C) $x ^ { 2 } = 9 y$
D) $y ^ { 2 } = - 9 x$