Question

How do you find the slope of a line perpendicular to M(2, -1), N(0, 4)?

Answer 1

`slope=2/5`

Explanation:

The slope of the line MN is obtained by:

`slope_(MN)=(4+1)/(0-2)=-5/2`

the slope of a line perpendicular to MN is given by

`-1/(slope_(MN))=2/5`