Read this section. Pay attention to the definition of slope and how we define positive and negative slope. Also, pay attention to the slope formula given toward the end of the page. The slope formula will allow you to calculate the slope of any given line.

After you read, complete examples 4.25, 4.26, and 4.29 through 4.37 and check your work.

Click https://cnx.org/contents/CImQfPDv@8.49:ukK0bN45@22/4-4-Understand-Slope-of-a-Line link to open resource.