Find an Equation for the Parabola Described $( y - 8 ) ^ { 2 } = - 16 ( x - 7 )$

Multiple Choice

Find an equation for the parabola described.
-Vertex at (7, 8) ; focus at (3, 8) A) $( y - 8 ) ^ { 2 } = - 16 ( x - 7 )$
B) $( y - 8 ) ^ { 2 } = 16 ( x - 7 )$
C) $( x - 8 ) ^ { 2 } = 20 ( y - 8 )$
D) $( x - 8 ) ^ { 2 } = - 20 ( y - 8 )$