Proportional Relationships: Tables, Equations, and Graphs

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

How can you identify a proportional graph?

Back

A graph is proportional if it is a straight line that passes through the origin (0,0).

Front

What does the constant of proportionality represent?

Back

The constant of proportionality represents the ratio between two proportional quantities, often denoted as 'k'.

Front

What is the formula for finding the constant of proportionality?

Back

Front

What does it mean if a table of values is proportional?

Back

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit.

Front

How do you find the unit rate from a table?

Back

To find the unit rate from a table, divide the total amount of one quantity by the total amount of the other quantity.

Front

What is an example of a non-proportional relationship?

Back

Front

What does it mean for a graph to be non-proportional?

Back

A non-proportional graph does not pass through the origin and does not represent a constant ratio between the two variables.

Front

How can you tell if a line on a graph is proportional?

Back

A line on a graph is proportional if it is straight and passes through the origin.