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Mathematics 18 Online
OpenStudy (anonymous):

use determinants to find whether the 3 points are colinear: (0,-4) (3,-2) (1,-4)

OpenStudy (anonymous):

\[\left[\begin{matrix}0 & -4 & 1\\ 3 & -2 & 1\\ 1 & -4& 1\end{matrix}\right]\]Not Co-linear

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