Find the Vertex of the Graph of the Quadratic Function $f ( x ) = - x ^ { 2 } - 2 x + 8$

Find the vertex of the graph of the quadratic function. Find any intercepts and graph the function.
- $f ( x ) = - x ^ { 2 } - 2 x + 8$

A) Vertex: $( - 1,9 )$ ;
$x$ -intercepts: $( - 2,0 )$ and $( 4,0 )$ ;
$y$ -intercept: $( 0,8 )$

B) Vertex: $( - 1 , - 9 )$ ;
$x$ -intercepts: $( - 4,0 )$ and $( 2,0 )$ ;
$y$ -intercept: $( 0,8 )$
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C) Vertex: $( - 1,9 )$ ;
x-intercepts: $( - 4,0 )$ and $( 2,0 )$ ;
$y$ -intercept: $( 0,8 )$
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D) Vertex: $( 1,9 )$ ;
x-intercepts: $( - 2,0 )$ and $( 4,0 )$ ;
y-intercept: $( 0,8 )$
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