Factoring & ZPP - CPM HW

What is the GCF (greatest common factor): 39y⁵ + 12y⁴ - 3y³

• 3y

• 3y³

• y³

• 3y⁵

Solve for the values of x:
 $2x^2+7x-4=0$  

•  $x=\frac{1}{2}\ ,\ \ x=-4$  

•  $x=\frac{1}{2}\ ,\ \ x=4$  

•  $x=2\ ,\ \ x=-4$  

•  $x=-2\ ,\ \ x=4$  

What is the GCF of 18k and 15k³

• 3k²
• 3k³
• 3k
• 5k

What is the GCF of 10a²b³ and 20a²b²?

• 20a²b³
• 10a²b³
• 20ab²
• 10a²b²

Solve for the values of x:
(x + 2)(x - 3) = 0

• { 2, 3 }
• { -2, -3 }
• { 2, 3 }
• { -2, 3 }

Solve for the values of x:
(2x - 1)(x + 4) = 0

• { 1/2, -4 }
•  { 1/2, 4 }
• { 2, -4 }
• { -2, 4 }

Factor:
x² - 5x - 14

• (x - 2)(x + 3)
• (x - 2)(x + 7)
• (x + 2)(x - 7)
• (x - 2)(x - 3)

Factor:x² - 25

• ( x + 5 ) ( x - 5 ) 
• ( x - 5 ) ( x - 5 ) 
• ( x + 5 ) ( x + 5 ) 
• Prime

Factor completely:
 $r^2+r-6$  

•  $\left(r+2\right)\left(r+3\right)$  

•  $\left(r+4\right)\left(r-7\right)$  

•  $\left(r-2\right)\left(r-3\right)$  

•  $\left(r-2\right)\left(r+3\right)$  

Factor x² + 7x + 12

• (x + 2)(x + 10)
• (x + 3)(x + 4)
• (x + 4)(x + 5)
• (x + 4)(x + 6)