Unit 3.5 Assessment Review 7th Grade Math Honors Foggie

Front

What is the constant of proportionality?

Back

The constant of proportionality is the unit rate in a proportional relationship, representing the ratio of two quantities.

Front

How can you find the constant of proportionality in a proportional relationship?

Back

You can find the constant of proportionality by calculating the unit rate, which is the ratio of the dependent variable to the independent variable.

Front

In the equation y = 14x, what is the constant of proportionality?

Back

The constant of proportionality is 14.

Front

What is the general form of a proportional relationship equation?

Back

A proportional relationship can be written as y = kx, where k is the constant of proportionality.

Front

What does a proportional relationship graph look like?

Back

A proportional relationship graph is a straight line that passes through the origin (0,0).

Front

If y = 3x, what is the unit rate?

Back

The unit rate is 3.

Front

What is the unit rate if a car travels 150 miles in 3 hours?

Back

The unit rate is 50 miles per hour.

Front

If a table shows values of x and y, how do you determine if the relationship is proportional?

Back

Check if the ratio y/x is constant for all pairs of values.

Front

What is an example of a proportional relationship in real life?

Back

An example is the relationship between distance and time when driving at a constant speed.

Front

What is the difference between proportional and non-proportional relationships?

Back

Proportional relationships have a constant ratio, while non-proportional relationships do not.