Fundamentals of Multiplying Integers

This video tutorial covers the basics of multiplying integers, including the rules for determining the sign of the product based on the signs of the integers involved. It provides examples of multiplying two integers and extends to cases involving more than two integers. A shortcut rule is introduced for quickly determining the sign of the product when multiplying multiple integers, based on whether the number of negative integers is even or odd.

What is the result when multiplying two positive integers?

• Zero

• Undefined

• Positive

• Negative

What is the product of a negative integer and a positive integer?

• Positive

• Negative

• Undefined

• Zero

What is the result of multiplying -8 and -3?

• 24

• -11

• -24

• 0

What is the product of -2 and 9?

• -11

• 0

• -18

• 18

What is the result of multiplying 2, -5, and -6?

• -10

• -60

• 10

• 60

What is the product of -1, -3, -4, and -6?

• -72

• 72

• -12

• 12

What is the product of an even number of negative integers?

• Negative

• Zero

• Positive

• Undefined

What is the product of an odd number of negative integers?

• Undefined

• Zero

• Positive

• Negative

What is the result of multiplying -2, -3, and -5?

• -11

• 0

• -30

• 30

What is the product of -1, -5, -2, and -3?

• -11

• 0

• 30

• -30