Polynomial Solving Review

If f(x) = 3x² -9x -20, find the value of f(5) using synthetic substitution.

• 0

• 10

• 15

• -7

f(x) = -4x³ + 3x - 5 when x=2

• 33

• -33

• 31

• -31

x - 7 x² - 7 x + 7 x² + 3x - 54

• x - 7

• x² - 7

• x + 7

• x² + 3x - 54

What is the quotient when (10n² - 37n - 12) is divided by (n - 4)?

• (10n - 3)

• (3n - 10)

• (10n + 3)

• (3n + 10)

Factor Completely: 2n³ + 7n² - 2n - 7

• cannot be factored

• (n - 1)²(2n + 7)

• (n² - 1)(2n + 7)

• (n + 1)(n - 1)(2n + 7)

Factor Completely:

• (k² - 13)(k² + 3)

• (k - 13)(k + 3)

• (k² + 15)(k² - 3)

• (k + 13)(k - 3)

What are the zeros for this function?

• 
• 
• 
• 

Solve the trinomial:

12x²-12x - 24 = 0

• -1,2

• 1,2

• 1,-2

• -1,-2

Factor:   x³ + 1

• (x + 1)³

• (x+1)(x² - x + 1)

• (x - 1) (x² + x - 1)

• (x + 1)(x² - 2x + 1)

Solve

8x³+125=0

• x=-5/2, x=(-5±5i√3)/4

• x=-5/2, x=(5±5i√3)/4

• x=-2/5, x=(-5±5i√3)/4

• x=-2/5, x=(5±5i√3)/4