This practice is intended for students to review and consolidate the learning of the concept of linear functions of two variables.
For example y = x + 4 is a linear function.
We can also refer to y as a function of x, where y = x + 4.
The concept of x as a variable where input values are used to replace x,
and the concept of y as the variable that contain the output values calculated based on the "rule" or y = x + 4 is being reinforced in the practice here.
The student also gets to see the graph of each linear function generated and the points which represent the point for the x and y values that were generated for self assessment.
