Write the formula for the discriminant.

State the types of roots for a quadratic equation, explaining how the discriminant helps you determine the type.

1 answer

D = B^2 - 4AC

1. If B^2 is less than 4AC(B^2 < 4AC), the Determinant is negative and we have 2 imaginary solutions and no real solutions.

2. If B^2 = 4AC, we have one real solution and no imaginary solutions.

3.If B^2 > 4AC, we have 2 real solutions
and no imaginary solutions.