Deduce the criteria for directly proportional, linear, or nonlinear relationships by manipulating the graph of a line.
[i]Answer these open ended questions on your own or with others to form deeper math connections. [/i]
What can you conclude about linear proportional relationships?
What can you infer about the rate of change of a linear relationship that is not proportional?
What does the point on the [math]y[/math]-axis represent?