Ratios & Percents Vocabulary

Front

What is the constant of proportionality in a proportional relationship?

Back

The number that each value is multiplied by

Front

What are equivalent ratios?

Back

Ratios that can be multiplied by the same number to get the numbers in the second ratio

Front

What does the origin represent in a coordinate plane?

Back

The point where the x-axis and y-axis intersect at zero

Front

What is a percentage?

Back

A rate per 100

Front

How is a percentage decrease expressed?

Back

As a percentage of the starting amount

Front

How is a percentage increase expressed?

Back

As a percentage of the starting amount

Front

What does percent error describe?

Back

The error expressed as a percentage of the actual amount

Front

What is a proportion?

Back

A comparison of a data set to the fraction of the data in a given category

Front

What is a proportional relationship?

Back

A relationship where values for one quantity are each multiplied by the same number to get the values for the other quantity

Front

What is a unit rate?

Back

A rate per 1