8-1 Equations in Two Variables: To solve equations in two variables over domains of the variables.

8-2 Points, Lines, and Their Graphs: To graph ordered pairs and linear equations in two variables.

8-3 Slope of a Line: To find the slope of a line.

8-4 The Slope-Intercept Form of a Linear Equation: To use the slope-intercept form of a linear equation.

8-5 Determining an Equation of a Line: To find an equation of a line given the slope and one point on the line, or given two points on the line.

8-6 Functions Defined by Tables and Graphs: To understand what a function is and to define a function by using tables and graphs.

8-7 Functions Defined by Equations: To define a function by using equations.

8-8 Linear and Quadratic Functions: To graph linear and quadratic functions.

8-9 Direct Variation: To use direct variation to solve problems.

8-10 Inverse Variation: To use inverse variation to solve problems.