What is the discriminant of 0 = x^2 + 4x + 4?

1 Answer
Nov 19, 2015

Discriminant(Delta)=0

Explanation:

Given a second degree equation in the general form:
ax^2+bx+c=0
the discriminant is:
Delta=b^2-4ac

Here,
a=1, b=4 and c=4
So,
Delta=color(red)4^2-4color(red)((1)(4))
Delta=16-16
Delta=0

which means the given equation has two coincident real solutions.