Basic Linear Relationships 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 can you identify a proportional relationship from a graph?

Back

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

Front

What does the equation y = kx represent?

Back

This equation represents a proportional relationship where k is the constant of proportionality.

Front

What is the constant of proportionality?

Back

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

Front

If y = 4x, what is the constant of proportionality?

Back

The constant of proportionality is 4.

Front

What does it mean if an equation has addition or subtraction?

Back

If an equation has addition or subtraction, it indicates that the relationship is non-proportional.

Front

How do you determine if a table of values represents a proportional relationship?

Back

If the ratios of corresponding values are constant, the table represents a proportional relationship.

Front

What is the slope of a proportional relationship?

Back

The slope of a proportional relationship is equal to the constant of proportionality.

Front

What is the equation of a line that is not proportional?

Back

An example of a non-proportional equation is y = x + 5.

Front

If a person reads 2 books in 5 hours, how long will it take to read 8 books?

Back

It will take 20 hours to read 8 books.