7.4A Constant Rate of Change

Front

What is the equation for total cost, C, when each sandwich costs $7?

Back

C = 7s

Front

What is the constant rate of change?

Back

The constant rate of change is the amount of change in one quantity relative to the change in another quantity, often expressed as a ratio.

Front

Which company shows a greater rate of change?

Back

Water's Edge Rafts shows a greater rate of change.

Front

What does a rate of change of 10 figurines on 1 shelf mean?

Back

It means for every shelf, there are 10 figurines.

Front

How do you calculate the constant rate of change?

Back

Divide the change in the dependent variable by the change in the independent variable.

Front

If the cost of 5 sandwiches is $35, what is the cost per sandwich?

Back

$7 per sandwich.

Front

What is the constant rate of change if a table shows 4 calories per minute?

Back

The constant rate of change is 4 calories per minute.

Front

What does a graph with a slope represent in terms of rate of change?

Back

The slope represents the rate of change between the two variables.

Front

If a car travels 60 miles in 1 hour, what is the rate of change?

Back

The rate of change is 60 miles per hour.

Front

What is the formula for calculating the rate of change?

Back

Rate of Change = (Change in y) / (Change in x).