Addition and Subtraction of Monomials

To add like monomials, add their numerical __________________ and keep the __________________.

• coefficients, variable(s)

• variable, exponent

• exponents, variable(s)

• coefficients, exponent

Tags

CCSS.7.EE.A.1

What is the additive inverse of 6x - 2y

• -6x - 2y

• 6x - 2y

• -6x + 2y

• 6x + 2y

Tags

CCSS.7.EE.A.1

Combine like terms to simplify: (5x + 2) + (4x - 5)

• 9x -3

• -9x-7

• 9x+7

• x+7

Tags

CCSS.7.EE.A.1

Add or Subtract to Simplify:

(4x²+ x) - (x² -2x)

• 3x² - x

• 4x² + 2x

• 3x² + 3x

• 3x² + 2x

Tags

CCSS.HSA.APR.A.1

Tags

CCSS.HSA.APR.A.1

-20x⁶ + (-10x⁶)

• 10x¹²

• -30x⁶

• -10x⁶

• -30x¹²

3x³ +8x

x³+3x² +8x

2x² +8x

x³-3x³ +8x²

• 3x³ +8x

• x³+3x² +8x

• 2x² +8x

• x³-3x³ +8x²

Tags

CCSS.HSA.APR.A.1

(9h + 8k) + (6h + k) =

• 15h + 9k

• 15h + 8k

• 14h + 9k

• 14h + 8k

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

(6x² + x) + (7x² - x) =

• 13x² + 2x

• 13x² - 2x

• 13x²

• -13x² 

Tags

CCSS.HSA.APR.A.1