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Using the Determinant x1y11x2y21x3y31\left| \begin{array} { l l l } x _ { 1 } & y _ { 1 } & 1 \\x _ { 2 } & y _ { 2 } & 1 \\x _ { 3 } & y _ { 3 } & 1\end{array} \right|

question 107

Multiple Choice

Using the determinant x1y11x2y21x3y31\left| \begin{array} { l l l } x _ { 1 } & y _ { 1 } & 1 \\x _ { 2 } & y _ { 2 } & 1 \\x _ { 3 } & y _ { 3 } & 1\end{array} \right| , determine if the points are collinear.
- (8,9) ,(2,2) ,(4,5) ( 8,9 ) , ( 2,2 ) , ( - 4 , - 5 )

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A statistical technique that measures the degree of the relationship between two variables, expressed by the correlation coefficient.

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