Mastering Integer Multiplication Techniques

The video tutorial covers the multiplication of integers, explaining four key rules: multiplying two positives results in a positive, a positive and a negative results in a negative, two negatives result in a positive, and any integer multiplied by zero equals zero. The tutorial includes practice examples and demonstrates the associative property in multiplication. It concludes with applying these rules to algebraic expressions involving variables.

What is the result of multiplying a positive integer by another positive integer?

• Negative

• Zero

• Positive

• Undefined

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

• Zero

• Negative

• Positive

• Undefined

What is the result of multiplying two negative integers?

• Negative

• Positive

• Zero

• Undefined

What is the result of multiplying any integer by zero?

• Positive

• Negative

• Zero

• Undefined

What is the result of -6 multiplied by 5?

• -11

• -30

• 30

• 11

What is the result of -10 multiplied by -4?

• 40

• -14

• 14

• -40

What is the result of 4 multiplied by -5 multiplied by 6?

• -30

• 120

• -120

• 30

What is the result of -4 multiplied by 9X?

• 45X

• -36X

• 36X

• -45X

What is the result of -5X multiplied by 4Y?

• 20XY

• -20XY

• 9XY

• -9XY

Evaluate 5 times A times B if A is 4 and B is -1.

• -5

• 5

• -20

• 20