Polynomial Factorization

Factor completely
10x² + 15x-5

• 25(10x³+45x-15)
• 5(2x³ + 3x²-x)
• x(10x³+15x-5)
• 5(2x²+3x-1)

Solve a³-9a²+14a=0.

• -7, -2
• 7, 2
• 0, -7, -2
• 0, 7, 2

• 4x

• 21

• 2x-1

• 10x

Divide.

• (x + 4)/(x + 3)
• x + 5
• x + 4  R 5
• x + 4 R -5

(x³-8x²+6x+41)÷(x-4)

• x²-4x-7, R 2

• x²-4x-11, R 1

• x²-2x-12, R 3

• x²-4x-10, R 1

Is the binomial (x - 9) a factor of 4x² - 33x - 27?

• yes

• no

What are the roots of the following factored polynomial?

(x + 1)(x - 1)(2x + 1)=0

• x= -1/2, -1, 1

• x= 1/2, -1, 1

• x = - ± 1

• x= 1/2, 1

Factor

81m² - 1

• not factorable

• (m- 9)(m + 9)

• 9m (9m - 1)

• (9m - 1)(9m + 1)