3. Rise and Run
• The rise can be positive or negative
• A positive rise corresponds to a vertical change up
• A negative rise corresponds to a vertical change down
• The run can be positive or negative
• A positive run corresponds to a horizontal change right
• A negative run corresponds to a horizontal change left
5. Try This Problem
• Pause the presentation
• Compute the slope of the line in the picture below
• A Video Solution that demonstrates how to solve
this problem is available at this site