please explain:

collinearity

proving collinearity

for the high school level

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- Aug 31st 2006, 10:55 AMligekronvectors
please explain:

collinearity

proving collinearity

for the high school level - Aug 31st 2006, 12:08 PMOReillyQuote:

Originally Posted by**ligekron**

Given points are collinear if line contains all of them. If line doesn't contain all of them then they are non-collinear. - Aug 31st 2006, 01:05 PMSoroban
Hello, ligekron!

Quote:

Please explain: (1) Collinearity, (2) Proving collinearity

for the high school level

Since your heading says "Vectors", I assume a vector approach is in order.

Three points are collinear (lie on a straight line)

if any two of their vectors are scalar multiples of each other.