Find the slope of a line perpendicular to y = 3x + 7.

Mathematics · High School · Mon Jan 18 2021

Answered on

The given equation of the line is y = 3x + 7.

Comparing this with y=mx+c, the slope of the line is m, which is equal to m1 = 3

Here we use the formula of slope of perpendicular line m1.m2 = -1.

3.m2 = -1

m2 = -⅓

Thus the slope of the perpendicular line is -⅓