First slide

Equation of line in Straight lines

Question

Points (8, 2), (– 2, – 2) and (3, 0) are the vertices of

Easy

A

an equilateral triangle
B

an isosceles triangle
C

right angled triangle
D

none of these

Solution

Slope of the line joining $(8, 2), (- 2, - 2)$ is $\frac{2}{5}$ and
the slope of the line joining (8, 2), (3, 0) is also $\frac{2}{5}$ so the points are collinear.

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