Which equation represents a line that passes through (2, –1/2) and has a slope of 3? Help me please!!!!! I need it now

A: y – 2 = 3(x + 1/2)
B: y – 3 = 2(x + 1/2)
C: y + 1/2 = 3(x – 2)
D: y + 1/2 = 2(x – 3)