Flashcard: Domain NS

Front

What is the result of dividing a negative number by a positive number?

Back

The result is a negative number.

Front

What does it mean when a bank account changes by a negative amount?

Back

It means that money has been deducted from the account.

Front

How do you calculate the monthly payment if the total amount deducted is -$9,500 over 12 months?

Back

You divide -9,500 by 12, which equals -791.67.

Front

What is the decimal equivalent of -3/15?

Back

-0.2

Front

Evaluate: X - K where X = -14.3 and K = -4.2.

Back

-10.1

Front

What is the product of two negative numbers, such as (-4) and (-5)?

Back

The product is positive, so (-4)(-5) = 20.

Front

What is the definition of an equivalent expression?

Back

An equivalent expression is one that has the same value as another expression for all values of the variable.

Front

What is the principle of multiplying two negative numbers?

Back

The principle states that the product of two negative numbers is positive.

Front

How do you represent a monthly deduction in a bank account mathematically?

Back

You can represent it as a negative value, such as -x, where x is the amount deducted.

Front

What is the formula to find the average monthly deduction if the total deduction is known?

Back

Total deduction divided by the number of months.