zkeMarylnajohnson zkeMarylnajohnson 25-03-2017 Mathematics contestada Isabella is solving the equation 4x2 = 13x – 3 with the quadratic formula. What values should she use for a, b, and c? a. a = 4 b= 13 c = –3 b. a= 4 b = –13 c = 3 c. a = 4 b = –3 c = 13 d. a = 4 b = 3 c = –13