Adding and Subtracting Polynomials and Figuring Out Errors

( 6x + 7 ) + ( 12x + 3 )

• 18x + 7

• 18x + 10

• 6x + 7

• 6x + 10

Classify by degree of polynomial:
3x³ – 6x

• Constant

• Linear

• Quadratic

• Cubic

Classify by number of terms:
3x² – 8x + 1

• Monomial

• Binomial

• Trinomial

• 4-Term Polynomial

Classify by number of terms:
9x

• Monomial

• Binomial

• Trinomial

• 4-Term Polynomial

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

• 3x + 5y

• 5x + 3y

• 5x + 7y

• 7xy + 1xy

Add the polynomials.
(3x³ + 3x² – 4x + 5) + (x³ – 2x² + x – 4)

• 4x³ + 1x² – 3x + 1

• 2x³ + 1x² - 5x + 9

• 6x³ + 1x - 1x² - 3

• 3x⁵ +1x - 1x⁵ - 3x

Add: (3x² + 2x + 1) + (2x² - 4x - 5) + (3x - 1)

• 5x² + 6x - 7

• 8x² - 3x - 5

• 5x² + x - 5

• 6x² + 8x + 5

Classify by number of terms:
7x³ – 8x² -4x+ 9

• Monomial

• Binomial

• Trinomial

• 4-Term Polynomial

(4x - 2x³) + (5x³ - 4x + 5)

• 3x³ + 5

• 3x³ + 8x + 5

• 3x² + 5

• 7x³ + 8x + 5

(3 - 2x + 2x²) + (4x - 5 + 3x²)

• 7x - 7x + 5x²

• 5x² + 2x - 2

• 5x²

• 5x² + 6x + 8