SOLUTION: what would be the graph of the equation x^2-1=0

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Question 402699: what would be the graph of the equation x^2-1=0
Answer by sofiyac(983) About Me  (Show Source):
You can put this solution on YOUR website!
add one to each side and you get
x%5E2=1
take square root of each side and you get
x=1 or x=-1
so you will have two VERTICAL lines, one at x=1 and one at x=-1