Factoring Special Cases

Which of the following is a perfect square?

• 3

• 16

• 24

• 12

Tags

CCSS.6.EE.B.5

Factor:

x² - 25

• (x + 5)(x - 5)

• (x - 5)(x - 5)

• (x + 5)(x + 5)

• Not Factorable

Tags

CCSS.HSA.SSE.A.2

Factor:

3x² - 75

• 3(x + 5)(x - 5)

• Not Factorable

• (x + 5)( x - 5)

• 3(x - 5)(x - 5)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.APR.B.2

CCSS.HSA.SSE.A.2

Factor:

25x²-81

• (5x-9)²

• (5x+9)(5x-9)

• 25(x-9)²

• (9x+5)(9x-5)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor:

 $x^2+81$  

•  $\left(x+9\right)\left(x-9\right)$  

•  $\left(x+9\right)\left(x+9\right)$  

• Not Factorable

•  $\left(x+3\right)\left(x-27\right)$  

Factor  $4r^2\ -\ 49$ 

•  $(2r+7)(2r-7)$  

•  $(2r+7)^2$  

•  $\left(2r\ -\ 7\right)^2$  

•  $(2r\ +\ 24.5)\left(2r\ -\ 24.5\right)$  

Tags

CCSS.HSA.APR.C.4

 $16x^2-81$  Factor:

•  $\left(4x-9\right)^2$  

•  $\left(2x-9\right)^2$  

•  $\left(4x\ +\ 9\right)^2$  

•  $\left(4x+9\right)\left(4x-9\right)$  

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor 4x²-16

• (2x-4)(2x+4)

• (4x-4)(4x+4)

• 4(x-2)²

• 4(x-2)(x+2)

Tags

CCSS.HSA.APR.C.4

x² - 16

• Not Factorable

• ( x - 4) ( x + 4)

• ( x - 8) ( x + 8)

• ( x - 4) ( x - 4)

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor  $m^2\ -\ 36$ 

•  $(m+18)(m-18)$  

•  $(m+6)^2$  

•  $\left(m\ -\ 6\right)^2$  

•  $(m\ +\ 6)\left(m\ -\ 6\right)$  

Tags

CCSS.HSA.APR.C.4