Find the values of K if the points (0, 0), (2, 3K) and (4K, 6) are collinear.
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equate the slopes:
2-0/3k-0=4k-2/6-3k
2/3k=4k-2/6-3k
3k(4k-2) =2(6-3k)
12k^2-6k=12-6k
12k^2=12-6k+6k
12k^2=12
k^2=12/12
k^2=1
k=√1
k=1
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