If the slope of a line L is (-1/5), then the slope of the line perpendicular to line L is ____________
Let m be the slope of the line perpendicular to L
m=−1slope of the line L
=−1−15
=5
Line L passes through the points (4, -5) and (3, 7). Find the slope of a line perpendicular to L.
Find the slope of a line perpendicular to a line whose slope is 1.