Shea Chapter 5 Flashcard Review (Math 7)

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

Identify a situation that does not represent a proportional relationship.

Back

A car salesman earns $15 per hour in addition to a $200 bonus for each car sold during that hour.

Front

What is the unit rate in a proportional relationship?

Back

The unit rate is the ratio of two measurements in which the second measurement is 1. For example, if 3 tickets cost $75, the unit rate is $75/3 = $25 per ticket.

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 is the average speed if Gerald hiked 3.95 miles in 2.5 hours?

Back

1.58 mi / 1 hr.

Front

What does it mean if a table is not proportional?

Back

If a table is not proportional, it means that the ratios of the corresponding values are not equivalent.

Front

How do you solve for x in an equation?

Back

To solve for x, isolate x on one side of the equation using inverse operations.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.

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 1 unit of another quantity.

Front

Give an example of a proportional relationship in real life.

Back

The cost of apples at a store, where each apple costs the same amount.