1.

Check whether the points A(6,4), B(5,-2) and C(7, -2) are collinear or no?

Answer»

Y2 - y1/ x2- x1

gradient of AB

= -2-4 / 5-6

gradient =6

gradient of AC= -2-4 /7 -6

gradient = -6

gradient of BC= -2 -(-2 )/ 7 - 5

gradient = 0

no it is not COLLINEAR.



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