Multiplying and Dividing Integers

This video tutorial covers the multiplication and division of integers, starting with an introduction to the concepts and sign rules. It provides examples to illustrate the multiplication of integers, including cases with multiple integers. The tutorial then transitions to dividing integers, explaining the process and sign rules. Finally, a word problem is solved using integer multiplication to demonstrate practical application.

What is the first step in multiplying or dividing integers?

• Determine the sign of the result

• Subtract the integers

• Determine the absolute values

• Add the integers

What is the result of multiplying two positive integers?

• Negative

• Undefined

• Zero

• Positive

If you multiply a positive integer by a negative integer, what is the sign of the result?

• Positive

• Negative

• Zero

• Undefined

What is the result of multiplying two negative integers?

• Positive

• Zero

• Negative

• Undefined

In the example -6 * 3, what is the sign of the product?

• Positive

• Negative

• Undefined

• Zero

What is the product of -15 * -6?

• 90

• 0

• -90

• -6

When multiplying -7 * -4, what is the result?

• 28

• -4

• 0

• -28

What is the result of 20 * -5?

• 5

• 0

• -100

• 100

How do you determine the sign when multiplying more than two integers?

• Count the negative factors

• Subtract all integers

• Count the positive factors

• Add all integers

What is the result of -2 * -3 * 4 * 15?

• 0

• -360

• 15

• 360