Semester 1 Review - Operations with Polynomials

Semester 1 Review - Operations with Polynomials

Adding Polynomials

Multiple Choice

Simplify:

• 9n³ + 4n

• 7n³ + 6

• -3n³ + 2

• 7n⁶ + 6

Multiple Choice

Find the sum.

(2x² + 5x - 7) + (3 - 4x² + 6x)

• 2x² + 3x + 1

• -2x² - 11x - 4

• 2x²+ 5x - 7

• -2x² + 11x - 4

Subtracting Polynomials

Multiple Choice

Add or Subtract to Simplify:

(4x²+ x) - (x²+ 2x)

• 3x² - x

• 4x² + 2x

• 3x² + 3x

• 3x² + 2x

Multiple Choice

Add or Subtract to Simplify:

(4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

• -8n² - 8n + 3

• -7n² - 8n + 3

• -6n² - 8n + 3

• -7n² - 4n + 3

Multiplying monomials

Multiple Choice

• 10x⁹

• 24x¹⁴

• 24x⁹

• 10x¹⁴

Multiple Choice

6m³n³ * 8m²n³

• 48m⁵n⁹

• 48m⁶n⁶

• 48m⁵n⁶

• none of the above

Dividing monomials

Divide the coefficients and subtract the exponents.

Multiple Choice

25x⁵/5x³

• 5x

• 5x⁸

• -5x²

• 5x²

Multiple Choice

Simplify: 54y¹⁰ ÷ 6y⁵

• ⁹y¹⁵

• y⁵⁰

• 9y²

• 9y⁵

Multiple Choice

3.) Simplify

(45x⁶y⁹) / (5x⁴y²)

• (9x²)/y⁷

• 40x²y⁷

• 9x²y⁷

• 9x¹⁰y¹¹