Understanding Proportional Relationships

Front

What is a proportional relationship?

Back

A proportional relationship is 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 of proportionality is the constant ratio in a proportional relationship, often represented as 'k'.

Front

How do you find the unit rate?

Back

To find the unit rate, divide the total amount by the number of units.

Front

What does it mean if a graph is proportional?

Back

A graph is proportional if it passes through the origin (0,0) and has a constant slope.

Front

What is the unit rate of 4 apples for $2?

Back

$0.50 per apple.

Front

Back

Front

What is a non-proportional relationship?

Back

A non-proportional relationship is one where the ratio between two quantities is not constant.

Front

How can you tell if a table of values represents a proportional relationship?

Back

If the ratios of corresponding values are the same, it represents a proportional relationship.

Front

What is the formula for finding the constant of proportionality?

Back

The constant of proportionality can be found using the formula k = y/x, where y is the dependent variable and x is the independent variable.

Front

What is the unit rate of 10 miles in 2 hours?

Back

5 miles per hour.