Proportions on a Graph

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you determine if a table of values is proportional?

Back

A table is proportional if the ratio between the values in one column and the corresponding values in another column is constant.

Front

What does a proportional relationship look like on a graph?

Back

A proportional relationship on a graph is represented by a straight line that passes through the origin (0,0).

Front

What is a non-proportional relationship?

Back

A non-proportional relationship is when the ratios of the values are not constant, and the graph does not pass through the origin.

Front

If 2 cups of sugar are needed for 4 jam jars, how many cups are needed for 12 jam jars?

Back

6 cups of sugar.

Front

What is the constant of proportionality?

Back

The constant of proportionality is the ratio of one quantity to another when two quantities are proportional.

Front

How can you identify a proportional relationship from a graph?

Back

If the graph is a straight line that goes through the origin, it is a proportional relationship.

Front

What is an example of a proportional relationship in real life?

Back

The relationship between distance and time when traveling at a constant speed.

Front

If a recipe requires 3 cups of flour for 6 cookies, how much flour is needed for 18 cookies?

Back

9 cups of flour.

Front

What does it mean if a graph is non-proportional?

Back

It means that the relationship between the variables does not maintain a constant ratio.