What is the slope of any line perpendicular to the line passing through #(-4,8)# and #(2,-7)#?
1 Answer
May 19, 2016
Explanation:
The rule of perpendicular lines is that the product of the slopes of perpendicular lines must be
First, you want to find the slope of this line:
Since the slope of this line is
Then, we change the sign from a negative to a positive sign: