Unit Rates & Proportional Relationships

Front

What are the characteristics of a graph that represents a proportional relationship?

Back

The graph is linear and passes through the origin.

Front

How do you calculate the unit rate from a given total cost and total hours?

Back

Divide the total cost by the total hours.

Front

What is the unit rate for $220 for 10 hours?

Back

$22/hour.

Front

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

Back

If the graph is a straight line that passes through the origin, it represents a proportional relationship.

Front

What is the unit price of an item?

Back

The cost per single unit of the item.

Front

If Sara Lee Turkey costs $6.58 per lb, what is the unit price?

Back

$6.58 per lb.

Front

If Butterball Turkey costs $11.16 for 2 lbs, what is the unit price?

Back

$5.58 per lb.

Front

Which is the better deal: Sara Lee Turkey at $6.58 per lb or Butterball Turkey at $11.16 for 2 lbs?

Back

Butterball Turkey is the better deal.

Front

What does the point (3, 27) represent in a proportional relationship context?

Back

It represents $27 for 3 shirts.

Front

What is a proportional relationship?

Back

A relationship where two quantities maintain a constant ratio.