7H Review Test #5

Front

What is the total cost if Jessica buys 2 headbands at $4.95 each, a pack of three hair scrunchies for $3.50, and a brush originally costing $6.50 on sale for half off?

Back

$16.65

Front

How do you convert speed from miles per 12 minutes to miles per hour?

Back

Multiply the speed by 5 to convert from minutes to hours.

Front

What is the constant of proportionality in a relationship between cost and weight?

Back

It is the cost per unit weight, calculated by dividing total cost by total weight.

Front

What does the point (1,5) represent in a graph showing a proportional relationship?

Back

It represents the unit rate, indicating that for every 1 unit of the first quantity, there are 5 units of the second quantity.

Front

If Drake has -$15.50 in his bank account, what transaction will bring his balance to $0?

Back

Deposit $15.50.

Front

What is the formula to calculate total cost when buying multiple items?

Back

Total Cost = (Price of Item 1 x Quantity) + (Price of Item 2 x Quantity) + ...

Front

How do you find the unit rate from a proportional relationship?

Back

Divide the total amount of the second quantity by the total amount of the first quantity.

Front

What is the definition of a proportional relationship?

Back

A relationship where two quantities increase or decrease at the same rate.

Front

How do you calculate the speed of an object in miles per hour if given miles per minutes?

Back

Multiply the speed in miles per minutes by 60.

Front

What does a negative bank account balance indicate?

Back

It indicates that the account holder owes money to the bank.