Q.2 (B)(4) Verify, whether points, A(1, –3), B(2, –5) and C(–4, 7) are collinear or not.

Doubtly Asked 24 Oct 2026 ssc 10th Save WhatsApp Report

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Answer: Yes, A, B and C are collinear.

Slope of AB = \(\dfrac{-5 - (-3)}{2 - 1} = -2\).

Slope of BC = \(\dfrac{7 - (-5)}{-4 - 2} = \dfrac{12}{-6} = -2\).

Slopes of AB and BC are equal and B is a common point, so A, B, C are collinear.

Doubtly AI · 24 Oct 2026 AI-verified · Oct 2026 Report

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