Test(RETAKE) - factoring polynomials (gcf, grouping)

What is the greatest common factor of the two terms in the expression x⁵y²+x²y⁷z

• x²
• x²y²z
• x²y²
• x⁵y⁷z

Factor
18a²b⁴c + 24ab³c²

• 6ab³c(3ab + 4c)
• 3abc(6ab³ + 8b²c)
• 6abc(3ab³ + 4c)
• 6ab3c(3b + 4c)

Factor
-10xy⁹z + 8y³z⁵

• 2y⁴z(-20xy⁶ + 4z⁴)
• 2y³z(-5xy⁶ +4z⁴)
• 2y³z(-5xy⁶z + 4z⁵)
• 2y³z(-5xy⁶z + 8z⁴)

 $Factor\ \ 6x^3-30x^2-7x+35$  

•  $\left(6x^2-7\right)\left(x-7\right)$  

•  $\left(6x^2-7\right)\left(x-5\right)$  

•  $\left(x-7\right)\left(6x^2+5\right)$  

•  $\left(6x^2-5\right)\left(x-7\right)$  

 $Factor\ 42b^3-36b^2+7b-6$  

•  $\left(6b^2+1\right)\left(7b-6\right)$  

•  $\left(6b^2+1\right)\left(7b+6\right)$  

•  $\left(42b+6\right)\left(b^2-1\right)$  

•  $\left(6b^2-1\right)\left(b^2+6\right)$  

Which of the following is a factor of: $10x^3-25x^2-12x+30$ 

•  $2x-5$  

•  $2x+5$  

•  $x+3$  

•  $5x^2+6$  

Solve.
n² - 2n = 0

• n = 2 and 0
• n = -2 and 0
• n = 2
• n = 0

• 0.5 sec, 5 seconds

• 0.5 seconds

• 5 seconds

• never

Solve:

4p² + 8p + 3p + 6 = 0

• p = 2, -1.5

• p = -4, -3, 3

• p = 2, 0.75

• p = 2, -2