7-8.AST.8.6

AST 8.6 - Derive an Equation of a Line on a Graph : Constructs a function to model a linear relationship between two quantities. Determines the rate of change and initial value of the function from a description of a relationship or from two (x, y) values, including reading these from a table or from a graph. Interprets the rate of change and initial value of a linear function in terms of the situation it models, and in terms of its graph or a table of values.