# What is the slope of the line perpendicular to # y=-3x-7 #?

##### 1 Answer

May 23, 2018

See a solution process below:

#### Explanation:

The equation in the problem is in slope-intercept form. The slope-intercept form of a linear equation is:

Where

Therefore, the slope of this line is:

Let's call the slope of a perpendicular line:

The slope of a line perpendicular to a line with slope

Substituting the slope for the line in the problem gives: