SOLUTION: How many real and imaginary roots does 4x^2+8x+4 have?

SOLUTION: How many real and imaginary roots does 4x^2+8x+4 have?

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Question 551109: How many real and imaginary roots does 4x^2+8x+4 have?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
From we can see that , , and

Start with the discriminant formula.

Plug in , , and

Square to get

Multiply to get

Subtract from to get

So the discriminant is

Since the discriminant is equal to zero, this means that there is one real root.

So there are no imaginary roots.

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