Proportions with tables and graphs Flashcard 1

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How can you tell if a table represents a proportional relationship?

Back

A table represents a proportional relationship if the ratios of the values in the table are constant.

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 of one.

Front

If a car travels 120 miles in 2 hours, what is the unit rate?

Back

60 miles/1 hour.

Front

What does a proportional graph look like?

Back

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

Front

What is the total cost for 7 tickets at $75 each?

Back

$525.

Front

Which of the following is a proportional relationship: 60 miles/1 hour or 120 miles/2 hours?

Back

Both are proportional relationships.

Front

What is the definition of a non-proportional relationship?

Back

A non-proportional relationship does not maintain a constant ratio between two quantities.

Front

How do you find the total cost from a unit rate?

Back

Multiply the unit rate by the number of units.

Front

What is the unit rate if 5 apples cost $10?

Back

$2 per apple.