Proportional Relationships

Front

What is a proportional relationship?

Back

A relationship where two quantities maintain a constant ratio to each other.

Front

What does it mean if a graph is linear?

Back

It means the graph forms a straight line, indicating a constant rate of change.

Front

What is the constant of proportionality?

Back

The constant ratio of y to x in a proportional relationship.

Front

If a graph does not pass through the origin, what type of relationship does it represent?

Back

Non-proportional relationship.

Front

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

Back

Check if the ratio of y to x is constant for all pairs of values.

Front

What is the formula for finding the constant of proportionality?

Back

k = y/x, where k is the constant of proportionality.

Front

If Pat needs 14 sticks of pepperoni for 28 pizzas, how many sticks are needed for 36 pizzas?

Back

18 sticks.

Front

What is the difference between proportional and non-proportional relationships?

Back

Proportional relationships have a constant ratio, while non-proportional relationships do not.

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

What does a slope of a line represent in a proportional relationship?

Back

The constant of proportionality.