proportional or non-proportional
the table compares the number of hours to rent a bycicle, and the total cost.
the graph shows the hourly rate of renting a bicycle. the graph goes in a straight line.
this table is an example of a proportional relationship, because all the ratios are equal and reduce to one-fifth. it has a constant rate of change, and it goes in a straight line. it is $5 for every hour that the bike is rented.
it is proportional because all the ratios are equal, and all reduce to one-fifth.
proportional-(of two quantities) having the same or a constant ratio or relation