Polynomial Review

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

• -8n² - 8n + 3 

• -7n² - 8n + 3 

• -6n² - 8n + 3

• -7n² - 4n + 3

Which of the following is equivalent to    3h +7(2 + 4h)?

• 90h

• 7h + 20

• 50h

• 31h +14

Which value is not a solution to the equation 2m(m-1)(3m-1)=0

• m=0

• m=2

• m=1

• m=1/3

Which of these statements is true?

• The y-intercept should be written as (5,0).

• The zeros of the function should be x=5 and x= -1

• Jonathan correctly identified all te key features of the graph that are listed. 

• The end behavior of the function should be f(x) → -∞ as x→ -∞ and f(x) → ∞ as x→ ∞

• f(x) = (x+7)(x+2)(x-2)²
• f(x) = (x+7)(x+2)(x-2)²
• f(x) = -(x+7)(x+2)(x-2)
• f(x) = -(x+7)(x+2)(x-2)²

Simplify the expression.
(4a³ - 8a - 4a²) + (7a³ - 7 - 6a)

• 11a³ - 4a² - 14a - 7 

• 5a³ - 4a² - 14a - 7 

• 5a³ - 4a² - 20a - 7 

• 5a³ - 9a² - 20a - 7

(6b³ + 6 - b⁴) - (8b³ - 6b⁴ + 2)

• 4b⁴ - 2b³ + 7

• 5b⁴ - 2b³ + 4

• b⁴ - 2b³ + 7

• 5b⁴ - 2b³ + 7

Find the difference. 
(3- 2x + 2x²) - (4x -5 +3x²)

• x_² + 6x + 8

• 2x² + 5x - 7

• -x² -6x + 8

• -2x² + 11x - 4

-2(7x + 5y - 3z)

• 14x -10y - 6z

• -14x -10y+6z

• -14x - 10y -6z

• 14x- 3y -6z

-2(-8a + b - z)

• 16a -2b+2z

• -16a -2b-2z

• 16a+2b -2z

• 16a+2b+2z