Factoring Review Vocabulary

The polynomial 10x³+35x² - 4x -14 is partially factored by grouping.

5x² (_____) - 2(_____)

What is the common factor that is missing from both sets of parenthesis?

• -2x - 7

• 2x + 7

• -2x² +7

• 2x² + 7

What is the first step in solving 
(x + 2)(x - 3) = 0      ?

• Plug in zero for x

• Solve for x

• FOIL

• Set each binomial factor equal to zero

Tags

CCSS.HSA-REI.B.4B

Factor completely:

Tags

CCSS.HSA.APR.C.4

Tags

CCSS.HSA-REI.B.4B

Factor:
x² - 9x + 20

• (x - 10)(x - 2)

• (x - 20)(x - 1)

• (x - 10)(x + 2)

• (x - 5)(x - 4)

Factor:
18a² - 15a

• 15a(3a-1)

• 3a(6a-1)

• 3(6a-5)

• 3a(6a-5)

Factor: x² + 2x – 3

• (x - 2)(x + 1)

• (x + 1)(x - 3)

• (x + 2)(x - 1)

• (x - 1)(x + 3)

Factor: (hint: difference of squares)
x² - 25

• ( x + 5 ) ( x - 5 ) 

• ( x - 5 ) ( x - 5 ) 

• ( x + 5 ) ( x + 5 ) 

• Prime

Tags

CCSS.HSA.APR.C.4

Factor:
81m² - 1 

• not factorable

• (m-9)(m+9)

• 9m(9m-1)

• (9m-1)(9m+1)

Tags

CCSS.HSA.APR.C.4

Factor
3a² + 4a + 1

• (7a-10)(a-8)

• Not factorable

• (3a+1)(a+1)

• (3a-1)(a-1)