Q3 of 112 Page 150

Determine if the following set of points are collinear or not.
, (6, –2) and (–3, 4)

Let A B (6, –2) and C (3, –4) be the vertices of triangle.

Area of triangle =

, x₂ = 6 and x₃ = 3

y₁ = 3, y₂ = –2 and y₃ = 4

⇒

Therefore, the given points are collinear

Determine if the following set of points are collinear or not.

(4, 3), (1, 2) and (–2, 1)

Determine if the following set of points are collinear or not.

(–2, –2), (–6, –2) and (–2, 2)

In each of the following, find the value of k for which the given points are collinear.

(k, –1), (2, 1) and (4, 5)

In each of the following, find the value of k for which the given points are collinear.

(2, – 5), (3, – 4) and (9, k)

Determine if the following set of points are collinear or not., (6, –2) and (–3, 4)