Quiz: 5.1 - 5.5

What is the GCF of the following expression: 

 $28x^5+12x^4+20x^3$  

•  $4x^5$  

•  $x^3$  

•  $4x$  

•  $4x^3$  

Factor the following trinomial completely:

 $56z^{12}+56z^9+24z^4$  

•  $4z^9(14z^3+14+6z^5)$  

•  $4z^9(7z^3+7+3z^5)$  

•  8z4(7z8+7z5+3)8z^4(7z^8+7z^5+3)8z4(7z8+7z5+3)  

Factor completely:

 $y(y−7)+2(y−7)$  

•  $(y-7)(y+2)$  

•  $y^2-14$  

•  $(y+7)(y+2)$  

•  $(y-7)(y-2)$  

Factor by grouping:

 $xy+8y−2x−16$  

 $x^2−7x−18$  

Factor:

 $y^2+15y+56$  

Factor:

 $2w^3+20w^2+32w$  

Factor:

 $10x^2−33x−54$  

 $2x^2−3x−2$  

Factor:

 $Factor:\ \ \ 40x^2−11x−63$