Proportional Relationships

Front

Is the relationship between tables and chairs proportional?

Back

Yes; the relationship is proportional.

Front

For a relationship to be proportional, the ordered pairs in a table must have the...

Back

Same unit rate.

Front

A ratio compares how many quantities?

Back

2.

Front

For a relationship to be proportional, the graphed line must be...

Back

Straight.

Front

What is another word for constant unit rate?

Back

Constant of proportionality.

Front

What is a proportional relationship?

Back

A relationship where two quantities maintain a constant ratio.

Front

How can you identify a proportional relationship in a table?

Back

If the ratios of the corresponding values are equal.

Front

What does the constant of proportionality represent?

Back

The unit rate in a proportional relationship.

Front

If a graph passes through the origin and is straight, what does it indicate?

Back

It indicates a proportional relationship.

Front

What is the formula for finding the constant of proportionality?

Back

k = y/x, where k is the constant, y is the dependent variable, and x is the independent variable.