Adding and Subtracting Polynomials

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

Classify by number of terms:

3x³ – 6x

• Monomial

• Binomial

• Trinomial

• 4-Term Polynomial

Simplify (-4m³-m+9)-(4m²+m-12)

• -4m³-4m²-2m-21

• -4m³-4m²-2m+21

• -8m³-2m+21

• -4m³+4m²+2m+21

Simplify (8xy²+6xy) + (-12x²y+13xy²)

• 21xy² +12x²y+6xy

• 21xy² -12x²y-6xy

• 21xy² +12x²y-6xy

• 21xy² -12x²y+6xy

(5x⁴ - 4x³ - 2x² + x - 19) - (x⁴ + 5x³ + 8x² + x + 5)

• 4x⁴ - 9x³ - 10x² - 24
• 4x⁴ - 9x³ - 10x² - 2x - 24
• 4x⁴ - 9x³ - 10x² + 2x - 24
• -4x⁴ - 9x³ - 10x² - 24

Subtract these polynomials:

(4x²+ x) - (x²+ 2x)

• 3x² - x

• 4x² + 2x

• 3x² + 3x

• 3x² + 2x

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