Question
Write the formula for the discriminant.
State the types of roots for a quadratic equation, explaining how the discriminant helps you determine the type.
Answers
Henry
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.
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.