If five lines all have different slopes, what is the maximum possible number of points of intersection of any two lines?
Added by Emily S.
Step 1
This can be found using the combination formula: nC2 = n(n-1)/2 where n is the total number of lines. For five lines, we have: 5C2 = 5(5-1)/2 = 10 So there are 10 possible pairs of lines that can intersect. Show more…
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