Proportional Relationships in 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 relationship in a table?

Back

A table represents a proportional relationship if the ratios of corresponding values in the two columns are the same.

Front

What is the formula for a proportional relationship?

Back

Front

What does the constant of proportionality (k) represent?

Back

The constant of proportionality (k) represents the ratio between the two quantities in a proportional relationship.

Front

How can you identify a proportional relationship in a graph?

Back

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

Front

What is the equation of a line that represents a proportional relationship?

Back

Front

If y = 3x, what is the constant of proportionality?

Back

The constant of proportionality is 3.

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 does not represent a proportional relationship.

Front

How do you write an equation from a proportional relationship given a table?

Back

Front

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

Back

An example of a proportional relationship is the relationship between distance and time when traveling at a constant speed.