SOLUTION: y=x^2+2x+1 I discriminant for this what I have can you tell me if this right. d=b^2-4ac, 2*2^2-4*1*1, 8-4=4

SOLUTION: y=x^2+2x+1 I discriminant for this what I have can you tell me if this right. d=b^2-4ac, 22^2-41*1, 8-4=4

Question 150315This question is from textbook
: y=x^2+2x+1 I discriminant for this what I have can you tell me if this right.
d=b^2-4ac, 2*2^2-4*1*1, 8-4=4 This question is from textbook

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

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

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