Writing Equations in Function Form

Today we talked about using a table of values to help determine which ordered pairs (points) lie on the line described by an equation involving two variables. Students were encouraged to use x = 0 as one of their values when creating a table of values, as well as other strategic points that make determining the y value somewhat simple.

Sometimes, it is useful to write the equation in function form. The definition of function form means that the equation starts with "y = ". I have encouraged students to list the x term directly after the equal sign, so as to establish a habit that will benefit them as we learn more about slope and intercepts.

Tonight's Homework: Lesson 4.2 ( 30 - 50 )