Reg. 1.11 Multiplying and Dividing Integers

Positive x Positive =

• Positive
• Negative

Positive x Negative =

• Positive
• Negative

Negative x Negative =

• Positive
• Negative

(-1)(-1)(-1)(-2)

• 2
• -2
• -5
• 5

(-9)(-8)

• -72
• 72

(-4)(6) 

• -24
• 24

(-7)(-7)

• 14
• -14
• 49
• -49

When dividing integers....

• follow the same rules as multiplying integers
• Follow the same rules as adding integers
• Follow the same rules as subtracting integers
• Always do the opposite

(-25) ÷ (-5)

• 5
• -5
• -20
• -30

14 ÷ (-2)

• -12
• 7
• -7
• 16