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 quantity is constant.

Front

How can you identify a proportional relationship in a table?

Back

A proportional relationship in a table can be identified if the ratios of corresponding values are equal.

Front

What does it mean if a graph does not pass through the origin?

Back

If a graph does not pass through the origin, it indicates that the relationship is not proportional.

Front

What is the unit rate in a proportional relationship?

Back

The unit rate is the constant of proportionality, representing how much one quantity changes in relation to a one-unit change in another quantity.

Front

If A is 4 and B is 16, is this a proportional relationship?

Back

Yes, because the ratio A:B is 1:4, which is constant.

Front

What is the constant of proportionality?

Back

The constant of proportionality is the factor by which one quantity is multiplied to obtain the other in a proportional relationship.

Front

How do you find the missing value in a proportional relationship?

Back

To find the missing value, set up a proportion using the known values and solve for the unknown.

Front

What is an example of a non-proportional relationship?

Back

An example of a non-proportional relationship is when the relationship between two quantities changes, such as a fixed cost plus a variable cost.

Front

What does it mean for data to be proportional?

Back

Data is proportional if it can be represented by a straight line through the origin on a graph.

Front

How can you tell if a table is non-proportional?

Back

A table is non-proportional if the ratios of the values are not constant.