Select the graph of the quadratic function 
. Identify the vertex and axis of symmetry.
?
A. ?
?
Vertex: (0, -3)
Axis of symmetry: y-axis
?
B. ?
?
?
Vertex: (0, -5)
Axis of symmetry: y-axis
C.
?
?
Vertex: (0, -2)
Axis of symmetry: y-axis
D. ?
?
?
Vertex: (0, -1)
Axis of symmetry: y-axis
E. ?
?
?
Vertex: (0, -4)
Axis of symmetry: y-axis
Answer: A
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A. -16 B. -12 C. 12 D. 16
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A. Model A: 
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C. Model A; 
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