SOLUTION: How do you sketch a graph with f(x)=x to the second power -1

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Question 436094: How do you sketch a graph with f(x)=x to the second power -1
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
sketch a graph with f(x)=x to the second power -1
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y = x^2-1
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Plot a few points and draw a curve thru them.
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If x = -1, y = 0
If x = 0, y = -1
If x = 1, y = 0
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Plot (-1,0),(0,-1), and (1,0)
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graph%28400%2C300%2C-10%2C10%2C-10%2C10%2Cx%5E2-1%29
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Cheers,
Stan H.
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