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Mathematics 9 Online
OpenStudy (anonymous):

The graph of which equation has a vertex of (1, -3)? a: y = 1(x - 3)2 + 1 b; y = 2(x - 3)2 + 1 c; y = 2(x - 1)2 - 3 d; y = 2(x + 1)2 - 3

OpenStudy (anonymous):

A

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