Unit Rate from a Graph or Table

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as a quantity of one. For example, if a car travels 150 miles in 3 hours, the unit rate is 50 miles per hour.

Front

How do you find the unit rate from a graph?

Back

To find the unit rate from a graph, identify the change in the y-axis (output) and the change in the x-axis (input). Divide the change in y by the change in x to get the unit rate.

Front

What does 'rate of change' mean?

Back

Rate of change refers to how much one quantity changes in relation to another quantity. It is often expressed as a ratio or a unit rate.

Front

If a car travels 180 miles in 4 hours, what is the unit rate?

Back

45 miles per hour.

Front

What is the formula to calculate unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

What is the unit rate of 100 beats in 2 minutes?

Back

50 beats per minute.

Front

How can you determine if a relationship is proportional from a table?

Back

A relationship is proportional if the ratios of the corresponding values are constant.

Front

What is the unit rate of 3 dollars for 2 pounds?

Back

1.5 dollars per pound.

Front

How do you interpret a rate of change from a table?

Back

To interpret a rate of change from a table, look at how much the output (y-value) changes for each unit increase in the input (x-value).

Front

What is the unit rate of 75 dollars for 1 adult?

Back

75 dollars per adult.