Monomial/Polynomial Sum

Simplify the expression.
(4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

• -8n² - 8n + 3 
• -7n² - 8n + 3 
• -6n² - 8n + 3
• -7n² - 4n + 3

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

Simplify:
2x ( -2x -3)

• -4x - 3
• x² - 3
• -4x² - 6x
• -4x - 6

Classify the following polynomial according to its terms:

4x² + 5x -7

• Monomial

• Binomial

• Trinomial

• Polynomial

Simplify the expression.
-3x²( 7x² - x + 4)

• -21x⁴ + 3x³ -12x²
• 7x² - x + 4 (-3x²)
• 21x⁴ + 3x³ + 12x²
• -12x² + 3x³ -21x⁴

Classify by number of terms:
3x³ – 6x

• Monomial
• Binomial
• Trinomial
• 4-Term Polynomial

What is the degree of the following polynomial?
x³ + y²x² + x⁷y⁷ + x⁸

• 14
• 8
• 4
• 3

(x - 4)(x - 6)

• x² -10x + 24
• x² - 10x - 24
• x² +10x + 24
• x² + 10x - 24

Rewrite the following expression with positive exponents only:

 $\left(\frac{w^2}{z}\right)^{-4}$  

•  $\left(\frac{z^2}{w}\right)^4$  

•  $\left(\frac{z}{w^2}\right)^4$  

•  $\left(w^2z\right)^4$  

•  $\left(\frac{1}{zw^2}\right)^4$  

Simplify. Your answers should only have positive exponents.

• a

• b

• c

• d