SOLUTION: Can You help me with this question please? By examining the sign of the discriminant d=0, how many x-intercepts would the graph of {{{x^2+2x+1=0}}}have? Why?

SOLUTION: Can You help me with this question please? By examining the sign of the discriminant d=0, how many x-intercepts would the graph of {{{x^2+2x+1=0}}}have? Why?

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Question 188948: Can You help me with this question please?
By examining the sign of the discriminant d=0, how many x-intercepts would the graph of have? Why?
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
D=0.......therefore 1 solution. because the graph only touches the x axis in 1 point. if D>0 two real solutions
:
if D<0 then two imaginary solutions
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