Factor Binomial Squares and Difference of Two Squares

• ( x + 5 ) ( x - 5 )

• ( x - 5 ) ( x - 5 )

• ( x + 5 ) ( x + 5 )

• Prime

Tags

CCSS.HSA.APR.C.4

Which of these can ONLY BE factored using difference of two squares?

• 144x² - 49y²

• x² + 4x - 12

• 100x² + 20x + 1

• 14x - 16

Tags

CCSS.HSA.APR.C.4

Which one is false about the difference of two squares?

• We can factor because there is addition sign.

• We can factor because there is a perfect squared number (Example: x², 25, 49)

• Formula: a² - b² = (a + b) (a - b)

• We can factor because there is minus sign.

Tags

CCSS.HSA.APR.C.4

(a)  

• A

• B

• 
  C

• D

Tags

CCSS.HSA.APR.C.4

(a)  

• A

• B

• C

• D

Tags

CCSS.HSA.APR.C.4

• Because 4 is not a perfect cubed number.

• Because 4 is not a perfect squared number.

• Because 49 is not a perfect squared number.

• Because we can't factor using difference of two squares because there is an addition sign.

Tags

CCSS.HSA.APR.C.4

Do you think you can factor this using difference of two squares?

• Yes, because there is a subtraction sign between two squared numbers

• No, you need to add them

• Yes because everything is a squared number

Tags

CCSS.HSA.APR.C.4

Factor completely.

• ( 11x - 7 ) ²

• ( 11x - 7 ) ( 11x - 7 )

• ( 11x + 7 ) ( 11x - 7 )

• ( 12x + 7 ) ( 12x - 7 )

Tags

CCSS.HSA.APR.C.4

Factor: x² - 30x + 225

• (x + 15)²

• (x - 15)²

• (x + 25)²

• (x - 25)²

Tags

CCSS.HSA.APR.C.4

Which of these can factor using difference of two squares?

• 144x² - 49y²

• x² + 4x - 12

• 100x² + 20x + 1

• 14x - 16

Tags

CCSS.HSA.APR.C.4