Mathematics, 13.12.2020 14:00 andile64
the coordinates of 3 points are a(-1, -6), b(3, -12) and c(k, 6). Find the value of k if a, b and c are collinear.
Answers: 1
is -9.
, 
and 
, then 
. By vectors sum, we find each vector below:
(1)
(2)
(3)
is:
(3a)
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the coordinates of 3 points are a(-1, -6), b(3, -12) and c(k, 6). Find the value of k if a, b and c...
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