Write an Equation for the Parabola with Vertex at the Origin

Multiple Choice

Write an equation for the parabola with vertex at the origin.
-Focus $\left( 0 , - \frac { 1 } { 17 } \right)$

A) $x ^ { 2 } = - \frac { 4 } { 17 } y$
B) $y ^ { 2 } = \frac { 1 } { 68 } x$
C) $y ^ { 2 } = - \frac { 4 } { 17 } x$
D) $x ^ { 2 } = - 68 y$