Unit 2 Introducing 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 quantity is constant.

Front

How can you identify a proportional relationship on 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 proportional relationship?

Back

Front

Back

Front

Back

The constant of proportionality is 5, which means it takes 5 minutes for each mile.

Front

If 2 apples weigh 0.24 pounds, what is the weight of 12 apples to maintain a proportional relationship?

Back

The weight of 12 apples is 1.44 pounds.

Front

In a recipe, if 3 tablespoons of oil are needed for every 2 tablespoons of vinegar, what is the ratio of oil to vinegar?

Back

The ratio of oil to vinegar is 3:2.

Front

What does the point (1, 1.5) represent in the context of the salad dressing recipe?

Back

The point (1, 1.5) represents using 1 tablespoon of vinegar and 1.5 tablespoons of oil.

Front

What is the formula to find the weight of apples in a proportional relationship?

Back

Front

How do you determine if two quantities are in a proportional relationship?

Back

Two quantities are in a proportional relationship if their ratios are equal.