SOLUTION: The quadratic x2 + 20x + 100 has what type of roots?

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Question 377916: The quadratic x2 + 20x + 100 has what type of roots?

Answer by sophxmai(62) About Me  (Show Source):
You can put this solution on YOUR website!
I'm assuming you're asking whether k>0, k=0, or k<0.

x2 + 20x + 100
Your equation for discriminant is b%5E2-4ac
So,
b%5E2-4ac
=%2820%29%5E2-4%281%29%28100%29
=400-400
=0

Since the discriminant is 0, k=0.
This means that the equation has one real root.