Definitions:

Initial Value: Another name for y-intercept.
Constant Rate of Change: Another name for slope.
Linear Table: A table represents a linear functions (a line) when you can find a constant rate of change from the table.

​Slope Intercept form from a table:

​What about when the x values do not increase by 1?

​Word Problems:

​Bobby starts with $100 in his bank account. He saves $20 per week. Write an equation to represent how much money '' Bobby will have after 'x' weeks.