Slope of a horizontal line (Full video)

Khan Academy

Supporting grades: 8

Description: Sal finds the slope of a line between two points (which turns out to be a horizontal line). Find the slope of the line that goes through the ordered pairs 7, negative 1 and negative 3, negative 1. Let me just do a quick graph of these just so we can visualize what they look like. So the line that connects these two points will look like this.

You must log inorsign upif you want to:*

*Teacher Advisor is 100% free.