Addition and subtraction of polynomials 10/05

(6x² + x) + (7x² - x) =

• 13x² + 2x
• 13x² - 2x
• 13x²
• -13x² 

Tags

CCSS.HSA.APR.A.1

(5x² - 7xy) - (-2xy +3x²) =

• 2x² - 5xy
• 2x² + 5xy
• - 2x² - 5xy
• - 2x² + 5xy

Tags

CCSS.HSA.APR.A.1

- (3x²y + xy²) - (3xy² - x²y)

• 2x²y + 4xy²
• 2x²y - 4xy²
• - 2x²y + 4xy²
• - 2x²y - 4xy²

Tags

CCSS.HSA.APR.A.1

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

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

Tags

CCSS.HSA.APR.A.1

 $x^2-2x+3\ -5x-x_{ }^2+2x-3$  

Simplify :

• 0

•  $-5x$  

•  $2x^2-5x$  

• -6

Tags

CCSS.6.EE.A.3

Find the sum.
(3y² + y³ - 5) + (4y² -4y + 2y³ + 8)

• 3y³ + 7y² - 4y + 3
• 4y² + 3y³ - y + 3
• -y⁴ + 2y³ -y - 4
• 4y³ + 3y² -3y + 1

Tags

CCSS.HSA.APR.A.1

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

Tags

CCSS.HSA.APR.A.1

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

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

Tags

CCSS.HSA.APR.A.1

Find the difference. 
(3- 2x + 2x²) - (4x -5 +3x²)

• x_² + 6x + 8
• 2x² + 5x - 7
• -x² -6x + 8
• -2x² + 11x - 4

Tags

CCSS.HSA.APR.A.1

Simplify the expression.
(4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

• -8n² - 8n + 3 
• -7n² - 8n + 3 
• -6n² - 8n + 3
• -7n² - 4n + 3

Tags

CCSS.HSA.APR.A.1