Factoring Review

Factor:
k² -2k - 24

• (k+4)(k-6)
• (k+4)(k+6)
• Not factorable - Prime
• (k-4)(k+6)

Factor:
x² - 25

• ( x + 5 ) ( x - 5 ) 
• ( x - 5 ) ( x - 5 ) 
• ( x + 5 ) ( x + 5 ) 
• Not factorable - Prime

Factor:
81m² - 1 

• Not factorable - Prime
• (m-9)(m+9)
• 9m(9m-1)
• (9m-1)(9m+1)

Factor:
12x + 9

• 3(4x + 3)
• x(12+9)
• 3(4x - 3)
• Not factorable - Prime

Factor:
6m² + 16m

• 2(3m² + 8m)
• 2m(3m + 8)
• 2m(3m - 8m)
• Not factorable - Prime

Factor:
 3x² + 5x - 12

• (3x + 4)(x-3)
• (3x - 4)(x + 3)
• Not factorable - Prime
• (3x - 3)(x + 4)

Factor:
9x² + 9x - 10

• (3x-5)(3x+2)
• (3x+5)(3x-2)
• (3x+5)(3x+2)
• Not factorable - Prime

Factor:
 4h² - 17h + 4

• (2h - 2)²
• Not factorable - Prime
• (2h - 2)(2h + 2)
• (h - 4)(4h - 1)

What is the first question you ask yourself when factoring a polynomial? 

• How many terms does it have? 
• Is there a GCF? 
• What strategy should I use? 
• Why do I have to learn this?!?!?!

Factor:
3x² + 18x +15

• 3(x² + 6x + 5)
• (x + 5)(x + 1)
• 3(x + 5)(x + 1)
• Not factorable - Prime