Rate Graphs & Unit Rate

Front

A rate that describes how a quantity changes in relation to another quantity is _________________

Back

the rate of change

Front

Ellie made $45 babysitting for 6 hours. How much does she make per hour?

Back

$7.50 per hour

Front

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

Back

102 words per minute

Front

Find the constant rate of change for this graph.

Back

3 lb per person

Front

I paid $15.00 for 6 gallons of gasoline. What was the price PER gallon?

Back

$2.50

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is 1.

Front

How do you calculate the unit rate?

Back

Divide the first quantity by the second quantity.

Front

What is the formula for finding the rate of change?

Back

Rate of change = (Change in quantity) / (Change in time) or (y2 - y1) / (x2 - x1) in a graph.

Front

If a car travels 300 miles in 5 hours, what is the speed of the car in miles per hour?

Back

60 miles per hour

Front

What does a constant rate of change indicate on a graph?

Back

It indicates a straight line, showing that the relationship between the two quantities is linear.