Find the Equation of the Parabola with Vertex at (0,0)and $x ^ { 2 } = 20 y$

Multiple Choice

Find the equation of the parabola with vertex at (0,0) and focus at (0,5) . ​

A) $x ^ { 2 } = 20 y$
B) $x ^ { 2 } = 5 y$
C) $y ^ { 2 } = 20 x$
D) $x ^ { 2 } = y + 5$
E) none of these