RATIO AND PROPORTION REVIEW

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. It can be expressed as an equation in the form y = kx, where k is the constant of proportionality.

Front

What is the constant of proportionality in the equation y = 14x?

Back

The constant of proportionality is 14.

Front

How do you set up a proportion for Vito's watering problem?

Back

The correct proportion is 9/24 = w/40.

Front

If the ratio of Marvels fans to DC comics fans is 5 to 4 and there are 85 Marvels fans, how many DC comic fans are there?

Back

There are 68 DC comic fans.

Front

How can you determine if a relationship is proportional using a table?

Back

You can determine if a relationship is proportional by dividing y by x and checking if the result is constant.

Front

What does the equation y = kx represent?

Back

It represents a direct variation where y varies directly with x, and k is the constant of proportionality.

Front

If a recipe requires 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.

Front

What is the first step to solve a proportion?

Back

The first step is to cross-multiply the terms.

Front

If 5 apples cost $2, how much do 15 apples cost?

Back

15 apples cost $6.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division.