Multiplying two numbers both negative, -4 . (-2)

The video tutorial explores the concept of multiplying negative numbers. It begins by discussing the multiplication of positive numbers as repetitive addition and extends this understanding to negative numbers. The teacher explains how multiplying a positive by a negative number results in a negative product. The focus then shifts to the more complex idea of multiplying two negative numbers. By using the multiplication property of -1 and the commutative property, the teacher demonstrates that the product of two negative numbers is positive. The tutorial aims to clarify these concepts through examples and properties of multiplication.

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

• The same number

• Zero

• A negative number

• A positive number

Why does multiplying two negative numbers result in a positive number?

• Because of the associative property

• Because of the distributive property

• Because of the commutative property

• Because negative numbers cancel each other out

What property is used to explain the multiplication of two negative numbers?

• Associative property

• Distributive property

• Multiplication property of negative one

• Identity property

How can the multiplication of two negative numbers be simplified?

• By subtracting one from the other

• By adding them together

• By dividing them

• By treating them as two positive numbers

What is the result of multiplying -4 by -2?

• 8

• -8

• 0

• -6