7-1      Rates of Change

7-2    The Slope of a Line

7-3    Properties of Slope

7-4    Slope-Intercept Equations for Lines

7-5    Equations for Lines with a Given Point and Slope

7-6    Equations for Lines Through Two Points

7-7    Fitting a Line to Data

7-8    Equations for All Lines

7-9    Graphing Linear Inequalities