Graph Parabolas with Vertices at the Origin
Find the Focus $$x ^ { 2 } = 40 y$$

Multiple Choice

Graph Parabolas with Vertices at the Origin
Find the focus and directrix of the parabola with the given equation.
- $$x ^ { 2 } = 40 y$$

A) focus: $( 0,10 )$
directrix: $y = - 10$
B) focus: $( 10,0 )$
directrix: $y = 10$
C) focus: $( 10,0 )$
directrix: $x = 10$
D) focus: $( 0 , - 10 )$
directrix: $\mathrm { x } = - 10$