Tables, Graphs, & Equations of 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 does it mean for a table to be proportional?

Back

A table is proportional if the ratios of the values in the table are constant and it passes through the origin.

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity.

Front

How can you determine if a table is proportional?

Back

You can determine if a table is proportional by checking if the ratios of the values are constant and if it passes through the origin.

Front

What does the point (x, y) represent in a graph of a proportional relationship?

Back

The point (x, y) represents the quantity of y for a given quantity of x in a proportional relationship.

Front

What is the significance of the origin (0,0) in proportional relationships?

Back

The origin (0,0) indicates that when one quantity is zero, the other quantity is also zero, which is a characteristic of proportional relationships.

Front

What is a non-proportional relationship?

Back

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

Front

How do you identify a non-proportional graph?

Back

A non-proportional graph does not pass through the origin and the slope is not constant.

Front

What does a slope of 2 boys for every 1 girl mean in a graph?

Back

It means that for every 1 girl, there are 2 boys, indicating a ratio of boys to girls.

Front

What is the formula for finding the unit rate?

Back

The unit rate can be found by dividing the quantity of one item by the quantity of another item.