Proportional Relationships Flashcard- Math 7A

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

How can you identify a proportional relationship from a graph?

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 ratio that compares a quantity to one unit of another quantity, often expressed as 'per' something.

Front

If a train travels 180 miles in 2 hours, what is its speed in miles per hour?

Back

90 miles per hour.

Front

How do you calculate the total earnings based on hourly wage?

Back

Total earnings = Hourly wage × Number of hours worked.

Front

If Dalila earns $108.75 for 15 hours, what is her hourly wage?

Back

$7.25 per hour.

Front

What does it mean if a table shows values that are not proportional?

Back

It means that the ratio of the values in the table is not constant.

Front

How can you determine if two quantities are in a proportional relationship using a table?

Back

Check if the ratios of corresponding values are equal.

Front

What is the formula for finding the unit rate?

Back

Unit rate = Total quantity / Number of units.

Front

If Mi-Ling saves $45 in 3 weeks, how much does she save per week?

Back

$15 per week.