Proportional Relationships & Unit Rates Review

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other quantity is constant.

Front

How do you find the unit rate from a proportional relationship?

Back

To find the unit rate, divide the value of one quantity by the value of the other quantity when the second quantity is equal to 1.

Front

What is the equation of a proportional relationship?

Back

Front

If John paid $80 for 5 tickets, what is the cost per ticket?

Back

Front

What does the constant of proportionality represent?

Back

The constant of proportionality represents the unit rate or the cost per unit in a proportional relationship.

Front

How can you determine if a table of values represents a proportional relationship?

Back

A table represents a proportional relationship if the ratios of corresponding values are constant.

Front

What is the unit rate if 4 apples cost $2?

Back

Front

What is the equation for the cost of n tickets if each ticket costs $16?

Back

Front

If a graph shows a straight line through the origin, what does it indicate?

Back

It indicates a proportional relationship between the two variables.

Front

What is the missing value in the proportional relationship if the table shows (2, 5) and (4, ?)?

Back

The missing value is 10, since the ratio is constant (5/2 = 10/4).