Question

Find the discriminant.
x² + 2x + 1 = 0
Submit

Answer 1

Answer: 0

Explanation:

`x^2+2x+1`

a=1

b=2

c=1

You have your quadratic equation formula:

`x=\frac{-b\frac{+}{}\sqrt[]{b^2-4ac} }{2a}`

The discriminant is going to be the operation under the square root.

`b^2-4ac`

`(2)^2-4(1)(1)=`

`4-4=0`