Find the Standard Form of the Equation of the Parabola $= 6$

Find the standard form of the equation of the parabola.
-Vertex at the origin, opens to the right, focal width $= 6$

A) $y ^ { 2 } = 6 x$
B) $y ^ { 2 } = 1.5 x$
C) $x ^ { 2 } = 6 y$
D) $y ^ { 2 } = - 6 x$