Respuesta :

FractalX
the discriminant is the part of the quadratic equation that is in the square root, which is b^2-4*a*c, where 0 = ax^2+bx+c
a is -1
b is 4
c is -2
determinant = 4^2-4*-1*-2 = 16-8 = 8, so B is the answer

Answer:its 8

Step-by-step explanation:

got it right on edge