Adding Polynomials

Combine like terms: 3w - 8k + 12w + w - 5k

• 15w - 13k

• 16w - 13k

• 16w + 3k

• 15w + 3k

 $Simplify:\ \ 5x^2\ +\ 14y\ -9y\ +\ x^2\ -7x^2-y$  

•  $13x^2+\ 24y$  

•  $-13x^2\ +\ 13y$  

•   $-x^2\ +\ 4y$  

•  $x^2\ -\ 4y$  

 $Simplify:\ \ -6h^2\ +2j\ -\ 14h^2-\ h^2\ +\ 15j$  

•  $-20h^2+\ 13j$  

•  $20h^2\ +\ 17j$  

•  $-21h^2\ +\ 17j$  

•  $-21h^4\ +\ 17j$  

Add or Subtract to Simplify:
 (5x + 2) + (4x + 5)

• 9x -7
• -9x-11
• 9x+7
• x+7

Simplify the expression.

(4a³ - 8a - 4a²) + (7a³ - 7 - 6a)

• 11a³ - 4a² - 14a - 7

• 5a³ - 4a² - 14a - 7

• 5a³ - 4a² - 20a - 7

• 5a³ - 9a² - 20a - 7

Add the following polynomials:

(x³ + 6x - 5) + (-6x² + 4x + 3)

• x³ - 6x² +10x - 8

• x³ - 6x² +10x + 2

• x³ - 6x² +10x - 2

• x³ + 4x - 2

Add or Subtract to Simplify:
 (4x - 2x³) + (5x³ - 4x + 5)

• 3x³ + 5
• 3x³ + 8x + 5
• 3x² + 5
• 7x³ + 8x + 5

Find the sum.
(2x² + 5x - 7) + ( 3 - 4x² + 6x)

• 2x² + 3x +1
• -2x² - 11x -4
• 2x² + 5x -7
• -2x² + 11x -4

Add the polynomials.
(2x + 5y) + (3x - 2y)

• 3x + 5y
• 5x + 3y
• 5x + 7y
• 7xy + 1xy

What is the perimeter of the triangle shown?

• 9r²+r-5
• 9r⁴+r²-4
• 9r²-r+4
• 9r²+r-4