3.3-3.4 Quiz Review

x⁴ - 48x² - 49

• (x² - 7)(x - 7)(x + 1)
• (x² + 49)(x² + 1)
• (x - 7)(x - 7)(x² + 1)
• (x + 7)(x - 7)(x² + 1)

• x⁴(x² - 5x - 24)
• (x - 8)(x + 3)
• x⁴(x - 8)(x + 3)
• (x³ - 8)(x³ +3)

Solve x⁴ - 256 = 0

• x = 4, x = - 4
• x = 4, x = 4i
• x = 4, x -4, x = 4i
• x = 4, x -4, x = 4i,         x = -4i

Factor Completely:

k⁴ - 10k² - 39

• (k² - 13)(k² + 3)

• (k - 13)(k + 3)

• (k² + 15)(k² - 3)

• (k + 13)(k - 3)

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: 8x³ - 1

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

Is factoring fun?

• YES
• NO
• NO
• NO

Evaluate the expression using the quotient rule.

• x¹³
• x⁵
• x³⁶
• x^-5

• 4x - 2

• 4x + 2

• 4x - 2 + (1/3x - 1)

• 4x + 2 + (1/3x - 1)

Is this division problem worked correctly?

• This is correct!
• This is incorrect!