Tuesday, 9/19/23 WU Review Practice Mastery Peak

Simplify the expression: 3x + 2x

• 5x
• x
• 6x
• 5

6x + 1 + 7x 

• 13x - 1
• 14x 
• 7x + 6x + 1 
• 13x + 1 

-6k + 7k=

• k
• -k
• 12k
• -12k

-4x - 10x

• -14
• 6x
• -6x
• -14x

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

Match the following like terms.

• -12y

• 12x²

• -x

• 7xy²

• -9x²y

• 9y

• 6x²

• 8x

• 2xy²

• 4x²y

Match the following expressions with their simplified form after you combine like terms.

• -x

• -8x + 9x

• x

• -8x - 9x

• -17x

• 8x - (-9x)

• 17x

• 8x - 9x

Choose the expressions that can be simplified.

• 12x² - 4x + 1

• -4x + 9xy - 10

• 13x - 9 - x

• 8y - 2x + 4y - 9x

• 7y² - 7xy + 9y