Skip to main content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
Graphing - special cases
- This video describes the definition of horizontal and vertical lines …or lines with a slope of 0 or undefined)
Polk State College is committed to equal access/equal opportunity in its programs, activities, and employment. For additional information, visit polk.edu/equity.
