Answers: choice A, choice C
Compute the discriminant (use a = 1, b = 5, c = 11)
D = b^2 - 4ac
D = 5^2 - 4*1*11
D = 25 - 44
D = -19
The discriminant is negative, so the two solutions are complex or imaginary. The -19 will be under the root as choice A and choice C show
