Unit 5 (Topic 3) TEST REVIEW PART 2

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 do you find the constant of proportionality?

Back

To find the constant of proportionality, divide one quantity by the other in a proportional relationship.

Front

What does slope represent in a graph?

Back

Slope represents the rate of change between the y-value and x-value in a linear relationship.

Front

What is the formula for calculating slope?

Back

The formula for calculating slope (m) is m = (change in y) / (change in x).

Front

What does a slope of zero indicate?

Back

A slope of zero indicates a horizontal line, meaning there is no change in y as x changes.

Front

What does an undefined slope indicate?

Back

An undefined slope indicates a vertical line, meaning x does not change as y changes.

Front

How do you calculate the price per unit?

Back

To calculate the price per unit, divide the total cost by the number of units.

Front

What is the unit rate?

Back

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

Front

What is the significance of the constant in a proportional relationship?

Back

The constant in a proportional relationship indicates the factor by which one quantity changes in relation to another.

Front

How can you determine if a table represents a proportional relationship?

Back

A table represents a proportional relationship if the ratios of corresponding values are constant.