Identify the coefficients that would be used in the quadratic formula for this equation:

8x^2 - 3x + 9 = 0

a) a = 8, b = 3, c = -9
b) a = 8, b = 3, c = 9
c) a = 8, b = -3, c = 9
d) a = 8, b = -3, c = -9

c