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Identify the Vertex, Axis of Symmetry, and Intercepts for the Graph

Question 228

Multiple Choice

Identify the vertex, axis of symmetry, and intercepts for the graph of the function.
- y=x22x+8y = - x ^ { 2 } - 2 x + 8


A) Vertex at (1,9) ( - 1,9 ) ; axis: y=9;xy = 9 ; x -intercepts: (4,0) ( - 4,0 ) and (2,0) ;y( 2,0 ) ; y -intercept: (0,8) ( 0,8 )
B) Vertex at (1,5) ( 1,5 ) ; axis: y=5;xy = 5 ; x -intercepts: none; yy -intercept: (2,0) ( 2,0 )
C) Vertex at (1,5) ( 1,5 ) ; axis: x=1;xx = 1 ; x -intercepts: none; yy -intercept: (2,0) ( 2,0 )
D) Vertex at (1,9) ( - 1,9 ) ; axis: x=1;xx = - 1 ; x -intercepts: (4,0) ( - 4,0 ) and (2,0) ;y( 2,0 ) ; y -intercept: (0,8) ( 0,8 )

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