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OpenStudy (anonymous):
Identify the vertex for the graph of y = 3x2 + 12x + 5. Answer (2, 41) (-2, -7) (-2, -31) (2, 35)
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OpenStudy (anonymous):
complete the square, and you would see that the vertex is at (-2,-7)
OpenStudy (anonymous):
Or simply remember that the vertex is given by (-b/2a, -D/4a)
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