Final 4.3 - 4.3 Quiz Review

Factor: 8x³ - 1

• (2x - 1)(4x² + 2x + 1)
• (2x + 1)(4x² - 2x + 1)
• (2x - 1)(4x² - 2x - 1)
• (2x + 1)(4x² +2x + 1)

Which one means left

• x →-∞
• x →∞

Which one means up

• f(x) →-∞

• f(x) →∞

Which one means down

• f(x) →-∞

• f(x) →∞

Which one means right

• x →-∞

• x →∞

What is the degree?

• Odd

• Even

What is the degree?

• Odd

• Even

Describe the end behavior of the graph.

• x → ∞, y→ ∞ and
  x→ ∞, y→⁻∞
• x → ∞, y→ ∞ and
  x→⁻∞, y→∞
• None of these
• x →∞,y→⁻∞ and
  x→∞, y→⁻∞

Describe the end behavior of the graph.

(Hint: Even/odd degree, pos/neg leadin coeff)

• x → -∞, f(x) → ∞ and x→∞, f(x) →⁻∞

• x → -∞, f(x) → ∞ and x→∞, f(x) →∞

• x → -∞, f(x) → ∞ and x→∞, f(x) → 0

• x → -∞,f(x) → -∞and x→ ∞, f(x) → ∞

What is the degree of the polynomial?

2x⁴ + 9x² - 2 + 9x⁵ - x³

• 9

• 5

• 2

• 4

Answer explanation

Degree is the highest exponent.