Constant of Proportionality Review

Front

What is the constant of proportionality?

Back

The constant of proportionality is the ratio between two proportional quantities, indicating how one quantity changes in relation to another.

Front

How do you determine if a relationship is proportional?

Back

A relationship is proportional if the ratio between the two quantities remains constant.

Front

If a table shows values (2, 6), (4, 12), and (6, 18), what is the constant of proportionality?

Back

The constant of proportionality is 3, as each output is 3 times the input.

Front

What is the unit rate?

Back

The unit rate is the ratio of two measurements in which the second quantity is one unit.

Front

How do you calculate the unit rate from a total cost and quantity?

Back

Divide the total cost by the quantity to find the cost per unit.

Front

If 5 pounds of concrete cost $40, what is the unit rate?

Back

$8 per pound.

Front

What is the formula to find the constant of proportionality from a table?

Back

Constant of Proportionality = Output / Input.

Front

If a gas tank costs $46.80 to fill and holds 13 gallons, what is the price per gallon?

Back

$3.60 per gallon.

Front

What does it mean if a relationship is not proportional?

Back

It means that the ratio between the two quantities is not constant.

Front

If a canoe rental costs $12 per hour, how much would it cost for 3 hours?

Back

$36.