Graph the Quadratic Function Using Its Vertex, Axis of Symmetry $$f ( x ) = x ^ { 2 } + 2 x - 8$$

Multiple Choice

Graph the quadratic function using its vertex, axis of symmetry, and intercepts.
- $$f ( x ) = x ^ { 2 } + 2 x - 8$$

A) vertex $( 1,9 )$
intercepts $( - 2,0 ) , ( 4,0 ) , ( 0,8 )$

B) vertex $( 1 , - 9 )$
intercepts $( - 2,0 ) , ( 4,0 ) , ( 0 , - 8 )$

C) vertex $( - 1 , - 9 )$
intercepts $( 2,0 ) , ( - 4,0 ) , ( 0 , - 8 )$

D) vertex $( - 1,9 )$
intercepts $( 2,0 ) , ( - 4,0 ) , ( 0,8 )$