Unit 5 Quiz 2

Factor completely:
4x²y - 12xy + 5y

• (2xy - 1) (2x - 5)
• prime
• y (2x - 1) (2x - 5)
• 4 (xy - 5) (x - 1)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

64x² - 81y²

• (8x + 7y) (8x - 7y)

• (8x + 9y) (8x - 9y)

• (6x + 7y) (6x - 7y)

• (6x + 9y) (6x - 9y)

Tags

CCSS.HSA.APR.C.4

Factor: 8x³ - 1

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

Tags

CCSS.HSA.APR.C.4

Factor:  27x³ + 8

• (3x + 2)(9x² - 6x + 4)
• (9x + 2)(3x² + 18x + 4)
• (3x²+4)(9x + 2)
• (27x + 8)(x² - 216x + 64)

Tags

CCSS.HSA.APR.C.4

Solve by factoring.

k² + 8k + 12 = 0

• k = - 2, k = 2

• k = 4, k = 2

• k = - 2, k = - 6

• k = 2, k = 3

Factor:
a⁵b - 64 ab

• ab(a⁴ - 64)
• ab(a² - 8)(a² + 8)
• ab(a - 4)(a² + 4a  + 16)
• ab(a - 2)²(a + 2)²

Tags

CCSS.HSA.APR.C.4

Factor:
5n³ - 10n² + 3n - 6

• (5n²+3)(n-2)
• (5n²-3)(n-2)
• (5n³+3)(n-2)
• 10n(n²-6)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.APR.B.2

CCSS.HSA.SSE.A.2

x³ + 729 = 0 (Make sure to select all answers)

• x = 9

• x = - 9

• x = 27

• No Real Solution

 $3x^5\ -\ 27x^{3\ }=\ -24x$  (Make sure to select all answers)

• 0

• $\pm\ 1$

• 2

• $\pm\sqrt{8}$

• $\pm8$

x⁵ - 8x³ + 7x = 0

• $x=\ 0,\ \sqrt{7},\ 1$

• $x=\ 0,\ \sqrt{7},\ -\sqrt{7},\ -1,\ 1$

• $x=\ 0,\ -1,\ 1$

• $x=\ \sqrt{7},\ -\sqrt{7},\ -1,\ 1$