SOLUTION: How many different rays can be named given "n" collinear points. I have seen several answers and I'm not sure what is correct.
Thanks
Carol
Algebra.Com
Question 882536: How many different rays can be named given "n" collinear points. I have seen several answers and I'm not sure what is correct.
Thanks
Carol
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
There are n*(n-1) = n^2 - n different ways to pick two points (order matters).
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