Question

Lines that are perpendicular have slopes that arethe same or opposite and reciprocal.

Answer 1

When lines are perpendicular the slopes of both are opposite and reciprocal, that is:

`m\text{ and - }(1)/(m)`

In words, if we have a line with slope = m, the perpendicular line to that line will have a slope = - 1/m ( opposite and reciprocal).