IM 7th Unit 5 Review

Front

What is the rate of change of water in a tank if it decreases from 10 gallons to 7 gallons in 4 minutes?

Back

Front

Define 'transaction' in the context of bank accounts.

Back

A transaction is an action that involves the transfer of money in or out of a bank account.

Front

What is the formula to calculate the new balance of a bank account after a transaction?

Back

New Balance = Old Balance + Transaction Amount.

Front

If an account has an old balance of -40 and receives a transaction of 100, what is the new balance?

Back

New Balance = -40 + 100 = 60.

Front

What does a negative account balance indicate?

Back

A negative account balance indicates that the account is overdrawn, meaning more money has been withdrawn than is available.

Front

How do you find a missing transaction amount from a bank account?

Back

You can find the missing transaction amount by rearranging the formula: Transaction Amount = New Balance - Old Balance.

Front

If a tank can hold 20 gallons and currently has 10 gallons, what is the maximum amount of water it can still hold?

Back

The maximum amount of water it can still hold is 10 gallons.

Front

What is the significance of a constant rate in a draining tank scenario?

Back

A constant rate means that the amount of water is decreasing at the same speed over time.

Front

If a bank account has a balance of 75 and a transaction of -100 occurs, what is the new balance?

Back

New Balance = 75 - 100 = -25.

Front

What does it mean if a bank account shows a balance of -25?

Back

It means the account is overdrawn by 25 dollars.