Find the Vertex of the Parabola Associated with the Quadratic $y = x ^ { 2 } + 2 x - 8$

Multiple Choice

Find the vertex of the parabola associated with the quadratic equation.
- $y = x ^ { 2 } + 2 x - 8$

A) $( - 1 , - 8 )$
B) $( - 1 , - 9 )$
C) $( 1,9 )$
D) $( 1 , - 9 )$