# Lesson 8.2 - PowerPoint PPT Presentation

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Lesson 8.2. Integer Multiplication pp. 293-299. Multiplication Rules. Multiplication Rules. (-)(-)= + neg X neg = positive (-7)(-3) = +21. Multiplication Rules. (+)(+)= pos X pos = positive (7)(3)=21. Multiplication Rules. (-)(+)= neg X pos = negative

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Lesson 8.2

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## Lesson 8.2

Integer Multiplication

pp. 293-299

### Multiplication Rules

• (-)(-)= + neg X neg = positive

• (-7)(-3) = +21

### Multiplication Rules

• (+)(+)= pos X pos = positive

• (7)(3)=21

### Multiplication Rules

• (-)(+)= neg X pos = negative

• (-7)(3)= -21

### Multiplication Rules

• (+)(-)= pos X neg = negative

• (7)(-3) = -21

### Multiplication Rules

• Brackets must always be closed (like in LA)

• Brackets together means multiply

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