Dividing Integers Using Inverse Operations

This video tutorial teaches how to divide integers using inverse operations, which are operations that undo each other. It reviews inverse operations for addition, subtraction, multiplication, and division. The tutorial explains multiplication rules for signed numbers, highlighting that multiplying numbers with the same sign results in a positive product, while different signs yield a negative product. It demonstrates solving division problems using inverse operations and summarizes the rules for dividing signed numbers: a positive divided by a negative or vice versa results in a negative, while a negative divided by a negative or a positive by a positive results in a positive.

What is the result of performing inverse operations on 4 times 5?

• 9

• 5

• 4

• 20

When multiplying two negative numbers, what is the sign of the result?

• Negative

• Positive

• Zero

• Undefined

If you divide a positive number by a negative number, what will be the sign of the quotient?

• Negative

• Undefined

• Positive

• Zero

What is the result of dividing -21 by -3?

• 3

• -7

• 7

• -3

What is the result of dividing two positive numbers?

• Negative

• Positive

• Zero

• Undefined