Question

John calculated the discriminant of f(x) = 5x² + 3x + 1 to be a negative number (-11). Which of the following is correct? A. there are no real roots B. there are 2 real roots C. there is one real root D. there are 2 negative roots

Answer 1

The discriminant is a parameter of an object calculated as an aid to its solution. in a quadratic expression, discriminant is given by (b^2-4ac), when the discriminant is a negative number it implies that:
A. There are no real roots