Find the Coordinates of the Vertex for the Parabola Defined $$f ( x ) = x ^ { 2 } + 8 x - 3$$

Multiple Choice

Find the coordinates of the vertex for the parabola defined by the given quadratic function.
- $$f ( x ) = x ^ { 2 } + 8 x - 3$$

A) $( - 4 , - 19 )$
B) $( 4,45 )$
C) $( 8,125 )$
D) $( - 4 , - 51 )$