Module 1 Lessons 1-3 Review

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities in which the ratio of one quantity to the other is constant.

Front

What is the constant of proportionality in the equation y = kx?

Back

The constant of proportionality is the quantity k in the relationship described by the equation y = kx.

Front

Back

24 square feet.

Front

Back

45.

Front

Which statement best describes the relationship between x and y in a proportional table?

Back

Proportional.

Front

Define unit rate.

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit.

Front

How do you find the unit rate from a ratio?

Back

Divide the first quantity by the second quantity to find the amount per one unit.

Front

What does it mean if two quantities are not proportional?

Back

It means that the ratio between the two quantities is not constant.

Front

If the ratio of sugar to butter is 9:1/5, what is the equivalent ratio in whole numbers?

Back

The equivalent ratio is 45:5.

Front

What is the formula for finding the constant of proportionality?

Back

The constant of proportionality can be found using the formula k = y/x.