Question

If the discriminant of a quadratic equation is equal to -9, which statement describes the roots?

Answer 1

No real roots.

The roots are complex or imaginary.

Step-by-step explanation

The quadratic equation

`a {x}^(2) + bx + c = 0`

has discriminant,

`D = {b}^(2) - 4ac`

If the discriminant is less than zero , then the quadratic equation has no real roots.

The given discriminant is -9.

Since -9 is less than zero, it means the quadratic equation has complex or imaginary roots.