Find the Coordinates of the Vertex for the Parabola Defined $$f ( x ) = x ^ { 2 } + 2 x - 6$$

Multiple Choice

Find the coordinates of the vertex for the parabola defined by the given quadratic function.
- $$f ( x ) = x ^ { 2 } + 2 x - 6$$

A) $( - 1 , - 7 )$
B) $( 1 , - 3 )$
C) $( 2,2 )$
D) $( - 1 , - 9 )$