August 9th Week

Simplify the expression: 3x + 2x

• 5x
• x
• 6x
• 5

6y+3y+9y+7y

• 25
• 10
• 19
• 25y

a + a + a + a

• a + 4 
• 4a 
• a to the fourth power 
• 4a + 4 

6x + 2x 

• 8x 
• 12x 
• 8 
• 12 

y + x + y + y + x 

• 2 + 3 
• x + y 
• 2x + 3y 
• 5xy 

Combine like terms
3x + 2x + 3y - 7y

• 5x + 10y
• 5x + 4y
• 5x - 4y
• 5x -10y

Simplify by combining like terms:

5a + 2b - 3a + 4

• 8a + 2b + 4

• 2a + 2b + 4

• 8ab

• 4ab + 4

Simplify by combining like terms:
4x² - 3x + 11 -2x

• 4x² - 5x + 11
• 11x + 11
• 16x² - 5x + 11
• 10x²

(2x + 5y - z) + (-6x - 4y + 7z)

• -4x +6y + 6z
• 4x + y + 6z
• -4x - y + 6z
• -4x + y + 6z

(4x³-5x²+3x)+(-2x³-x²+6x)

• 2x³-6x²-9x
• 2x³+6x²+9x
• -2x³-6x²+9x
• 2x³-6x²+9x