# How do you find the discriminant of #x^2+4x-1=0# and use it to determine if the equation has one, two real or two imaginary roots?

##### 1 Answer

Jun 27, 2017

The answer is given below.

#### Explanation:

In the equation

a = 1, b = 4, c = -1

Discriminant =

=>

=>

=>

As the discriminant is greater than zero it means that the equation has two distinct real roots.