What are the values of a, b, and c in the quadratic equation 0 =1/2 x2 – 3x – 2?

A. a =1/2 , b = 3, c = 2
B. a =1/2 , b = –3, c = –2
C. a =1/2 , b = 3, c = –2
D. a = 1/2, b = –3, c = 2