7R Unit 3 Proportional Relationships Test 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.

Front

How do you express a proportional relationship mathematically?

Back

A proportional relationship can be expressed in the form y = kx, where k is the constant of proportionality.

Front

What is the constant of proportionality?

Back

The constant of proportionality (k) is the factor that relates two proportional quantities.

Front

If y = 6x, what is the constant of proportionality?

Back

The constant of proportionality is 6.

Front

Back

Front

What is the formula to find distance when given miles per gallon?

Back

Distance = (Miles per gallon) * (Gallons of gas).

Front

If a car travels 625 miles on 20 gallons, how far can it travel on 65 gallons?

Back

Distance = (625 miles / 20 gallons) * 65 gallons = 2031.25 miles.

Front

What is the equation to calculate Jack's bonus based on sales?

Back

Front

If Jack has $840 in sales, what is his bonus?

Back

Front

Back

Cross-multiply to get 12.6 * x = 18.9 * 3.25.