Mathematics, 25.05.2021 14:00 xcorojm

The coordinates of 3 points are A(-1,-6), B(3,-12) and C(k, 6). Find the value of k if
(a) A, B and C are collinear
(b) AB is perpendicular to AC.

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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) A,...

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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) A, B and C are collinear(b) AB is perpendicular to AC.​

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Another question on Mathematics

The coordinates of 3 points are A(-1,-6), B(3,-12) and C(k, 6). Find the value of k if
(a) A, B and C are collinear
(b) AB is perpendicular to AC.