Factorizing Difference of two squares

x² - 9

• (x + 3)²

• (x + 3) (x - 3)

• (x - 3)²

• x + 3(x - 3)

Tags

CCSS.HSA.APR.C.4

x² - 16

• (x + 4) (x - 4)

• (x + 8) (x - 2)

• (x + 4)²

• x + 4(x - 4)

Tags

CCSS.HSA.APR.C.4

4x² - 25

• (2x + 5) (2x - 5)

• (2x - 5)²

• (2x + 5)²

• 2x + 5(2x - 5)

Tags

CCSS.HSA.APR.C.4

25x² - 36y²

• 5x + 6y(5x - 6y)

• (5x + 6y) (5x - 6y)

• (5x + 6y)²

• (5x - 6y)²

Tags

CCSS.HSA.APR.C.4

Factor  $x^2\ -\ 25y^2$  completely

•  $(x+12.5y)(x-12.5y)$  

•  $(x+5y)(x-5y)$  

•  $\left(x\ -\ 5y\right)^2$  

•  $(x+5y)^2$  

Tags

CCSS.HSA.APR.C.4

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

In ( $x^2$ - 100 ) is equal to ( x + 10 ) and

• ( x + 10)

• ( x - 10)

• x

• 10

Tags

CCSS.HSA-REI.B.4B

Which is an example of difference of two squares?

• ( x³ - 4)

• ( x² - 3)

• ( x² + 4)

• ( x² - 4)

Tags

CCSS.HSA.APR.C.4

In ( d² - 121 ) , the square root of 121 is

• 11

• 12

• 21

• none of the above

What is missing in ( $a^4$ - 25 ) = ( $a^2$ - ____)( $a^2$ + 5 )

• 5

• 10

• 25

•  $a^2$  

Tags

CCSS.HSA.APR.C.4