Reviewing Chapter 5

Reviewing Chapter 5

Period 6

Adding

• only add numbers

• variables act as labels

• pay attention to your signs

• DO NOT ADD EXPONENTS!

Multiple Choice

Solve:

6x + 9

2x - 4

• 8x² + 5

• 8x + 5

• 8x² - 5

Multiple Choice

Solve:

(2y + 3) + (7y +9)

• 9y + 12

• 9y² + 12

• 8y + 12

Subtracting

• Distribute through negative (-)

• Combine like terms

• DO NOT ADD/SUBTRACT EXPONENTS

• Pay attention to signs

Multiple Choice

Solve:

4y + 2

-(y + 6)

• 5y + 8

• 3y + 8

• 3y - 4

Multiple Choice

Solve:

(10y + 3) - (4y - 1)

• 6y - 2

• 14y - 4

• 6y + 4

Multiplying

• Multiple Numbers

• Add exponents

Multiple Choice

Solve:

(5x²)(3x²)

• 15x⁴

• 8x⁴

• 15x²

Multiple Choice

Solve:

(n³)³

• n⁶

• n⁹

• n¹²

Multiplying by FOIL

• Take first term & multiply by first term in other set

• Take first term & multiply by second term in other set

• Take second term & multiply by first term in other set

• Take second term & multiple by second term in other set

• Combine "like" terms

Multiple Choice

Solve:

(2x+2)(2x+5)

• 4x² + 11x + 7

• 4x²+ 14x + 10

Dividing

• Divide numbers

• Subtract exponents

Multiple Choice

Solve:

12x⁷

___

3x⁴

• 9x³

• 4x³

• 15x³