Unit 2 Proportional Relationships Practice

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 quantity is constant.

Front

What is a unit rate?

Back

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

Front

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

Back

A table represents a proportional relationship if the ratios of the corresponding values are equivalent.

Front

What does the slope of a graph represent in a proportional relationship?

Back

The slope of a graph in a proportional relationship represents the unit rate.

Front

If Taylor can write 25 words per minute, how many words can he write in 4 minutes?

Back

Taylor can write 100 words in 4 minutes (25 words/minute * 4 minutes = 100 words).

Front

What does the point (2, 94) represent in a savings graph?

Back

The point (2, 94) represents that after 2 weeks, they have saved $94.

Front

What is the significance of the origin (0,0) in a proportional relationship graph?

Back

The origin (0,0) indicates that when there is no input (0), the output is also zero, showing that the relationship starts from zero.

Front

How can you identify a proportional relationship from a graph?

Back

A proportional relationship can be identified from a graph if the line passes through the origin and is straight.

Front

What is the formula for finding the unit rate?

Back

The formula for finding the unit rate is: Unit Rate = Total Quantity / Number of Units.

Front

If a graph shows a straight line that does not pass through the origin, does it represent a proportional relationship?

Back

No, if a graph shows a straight line that does not pass through the origin, it does not represent a proportional relationship.