Questions on Algebra: Unit Conversion answered by real tutors!

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Question 120484This question is from textbook college algebra/ blitzer
: Calculate the value of the discriminant of x squared plus 4x plus 4 equals zero
Answer:
Show your work here:
b)By examining the sign of the discriminant in part a, how many x-intercepts would the graph of y=x squared plus 4x plus 4 have? Why?
Answer:
This question is from textbook college algebra/ blitzer
: Calculate the value of the discriminant of x squared plus 4x plus 4 equals zero
Answer:
Show your work here:
b)By examining the sign of the discriminant in part a, how many x-intercepts would the graph of y=x squared plus 4x plus 4 have? Why?
Answer:

Answer by stanbon(18993) About Me  (Show Source):
You can put this solution on YOUR website!
Calculate the value of the discriminant of x squared plus 4x plus 4 equals zero
Answer:
Show your work here:
x^2+4x+4=0
discriminant = sqrt(b^2-4ac)=sqrt(16-4*4)=0
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b)By examining the sign of the discriminant in part a, how many x-intercepts would the graph of y=x squared plus 4x plus 4 have? Why?
Answer:
The graph touches but does not pass through the x-axis at x=-2.
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graph(400,300,-10,10,-10,10,x^2+4x+4)
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Cheers,
Stan H.