Adding and Subtracting Polynomials

Which of the following are examples of like terms?

• 2 and 2x
• y³ and x³
• y and x
• -3x and 3x

Tags

CCSS.6.EE.A.2B

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

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

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

Combine like terms.

6x + 3 - 2x + 5

• 8x + 8

• 4x + 9

• 8x + 8

• 4x + 8

Tags

CCSS.7.EE.A.1

Which one is equivalent to:
(4x²-3x+8) - (3x² - 5)

• x² - 3x - 3
• 7x² - 3x - 3
• x² - 3x + 3
• x² - 3x + 13