Patterns and Variables Notes

A variable is a quantity that may take on different values.
The change in patterns is shown:
on a table by the difference in data entries
on a graph by a straight line, the steepness of line

Independent variable - one of two variables in a relationship. Its value determines the value of the other variable. Located on x axis of a graph.
Dependent variable - the variable that depends upon or is determined by the other variable.