Question

The perpendicular from the origin to a line meets it at the point (– 2, 9), find the equation of the line.

Answer 1

The slope of the line joining the origin (0, 0) and point (–2, 9) is m₁, =9-0 / -2-0 = - 9/2

Accordingly, the slope of the line perpendicular to the line joining the origin and point

Now, the equation of the line passing through point (–2, 9) and having a slope m₂ is