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Given A(2,7), B(−6,−21) and C(1,3.5). Show that the points A,B and C are collinear.

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asked Jun 30, 2021 in Mathematics Form 3 by anony mous

vectors
collinearity

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answered Jun 30, 2021 by anony mous
selected Jan 30, 2023 by easyadmin

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AB=KBC

−8 = 7k
−28 24.5k
k =⁸/₇
AB = ⁸/₇BC
AB//BC
Since B is common ∴ ABC are collinear

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Given A(2,7), B(−6,−21) and C(1,3.5). Show that the points A,B and C are collinear.

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1 Answer

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