Find the slope of a line perpendicular to the line passing through (� – InterviewSolution

InterviewSolution

1.

Find the slope of a line perpendicular to the line passing through (– 3, 8) and (2, – 2).

Answer»

Slope of the line passing through (– 3, 8) and (2, – 2),

m₁ = \(\frac{8 + 2}{− 3 − 2}\) = − 2.

If m₂ be the slope of the perpendicular line, then m₁ m₂ = – 1

⇒ m₂ = \(\frac{1}{2}\).

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