Unit 2 Proportional Relationships Test Extra Credit

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

Define constant of proportionality (COP).

Back

The constant of proportionality (COP) is the constant ratio in a proportional relationship, often represented as k in the equation y = kx.

Front

Write the equation for the number of laps Lin can run per minute if she runs 10 laps in 25 minutes.

Back

Front

What does it mean if a table is not proportional?

Back

A table is not proportional if there is no constant of proportionality, meaning the ratios of the quantities do not remain constant.

Front

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

Back

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

Front

What is a unit rate?

Back

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

Front

If $100 is earned for each hour worked, what is the unit rate?

Back

The unit rate is $100 per hour.

Front

Identify a non-proportional graph.

Back

A non-proportional graph does not pass through the origin and does not maintain a constant ratio.

Front

If Kenny types for 18 minutes and can type 720 words, what is the rate of words per minute?

Back

Front

What is the relationship between the number of trees and apples in a proportional table?

Back

In a proportional table, the number of apples per tree remains constant, indicating a constant ratio.