Given the table for x, tickets sold and y, money earned:

x - # of tickets sold:
4
9
8
5
7

y - $ earned:
48
108
96
60
84

Every ticket sold is _ dollars earned. This is called a _
The relationship is _ because there is a constant _ and 0 tickets sold means $0 earned.

Every ticket sold is 12 dollars earned. This is called a unit rate.

The relationship is linear because there is a constant rate of change and 0 tickets sold means $0 earned.