Proportional Relationships

Front

What is a proportional relationship?

Back

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

Front

What is the constant of proportionality?

Back

The constant ratio in a proportional relationship, often represented as 'k'.

Front

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

Back

Divide the total quantity by the number of units to find the rate per one unit.

Front

What does a non-proportional graph look like?

Back

A graph that does not pass through the origin or has a changing slope.

Front

If a car travels 120 miles in 2 hours, what is the unit rate?

Back

60 miles per hour.

Front

If 8 slices of pizza cost $12, what is the cost per slice?

Back

$1.50 per slice.

Front

How do you determine if a relationship is proportional?

Back

Check if the ratios of corresponding values are equal.

Front

What is the unit rate of 120 customers in 8 hours?

Back

15 customers per hour.

Front

What is the formula for finding the constant of proportionality?

Back

k = y/x, where y is the dependent variable and x is the independent variable.

Front

What does it mean if a graph is linear and passes through the origin?

Back

It indicates a proportional relationship.