Absolute Value and Integer Multiplication

This video tutorial covers multiplying integers, focusing on word problems involving price reductions, subscription costs, and hair length changes. It explains how to determine the sign of the product based on the signs of the integers being multiplied. The video also reviews key concepts from previous lessons and introduces the next topic, dividing integers.

What is the result when multiplying two positive integers?

• Negative

• Zero

• Positive

• Undefined

What is the result when multiplying a positive integer with a negative integer?

• Negative

• Zero

• Undefined

• Positive

In the winter coat problem, what is the significance of the $200 price?

• It is the final sale price.

• It is not relevant to the reduction calculation.

• It is the total reduction over three months.

• It is the amount reduced each month.

How much is the total reduction in price of the coat after three months?

• $75

• $45

• $30

• $60

What is the absolute value of -15?

• 0

• -15

• 15

• 30

In the Netflix problem, how much is deducted from the bank account each month?

• $15

• $12

• $9

• $6

What is the total deduction from the customer's bank account after six months?

• $36

• $63

• $54

• $45

What is the absolute value of -9?

• 18

• 9

• -9

• 0

How many inches did Lisa cut off her hair in June and July?

• 9 inches

• 3 inches

• 2 inches

• 6 inches

How many inches did Lisa cut off her hair in August, September, and October?

• 8 inches

• 2 inches

• 4 inches

• 6 inches