# How do you find the value of the discriminant and determine the nature of the roots #x^2 + 3x = 40 #?

##### 1 Answer

Jul 27, 2016

HI,discriminant is

this can be

1.greater then zero

2.equal to zero

3.less than zero

**It depends on the sign of #x^2# term**

if

thrn

hence

b=3 ,a=1

c=-40

then ....

9-4(1)(-40)= is the value of determinant