1. Education

Your suggestion is on its way!

An email with a link to:

http://math.about.com/library/blslope.htm

was emailed to:

Thanks for sharing About.com with others!

Slope Formula
Sometimes called 'Rise over Run'.

The formula for the slope of the straight line going through the points (x1, y1) and (x 2, y 2) is given by:



The subscripts refer to the two points.

(m=rise/run)

Note:
Parallel lines have equal slope.
Perpendicular lines have negative reciprocal slopes.

Back to Formula Page

You can opt-out at any time. Please refer to our privacy policy for contact information.

Discuss in my forum

Related Video
What Is Rise Over Run?

©2014 About.com. All rights reserved.