Factoring Difference of Squares

Which of the following polynomials is a Difference of Two Squares?

• (x - 4) (x + 5)

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

Which of the following cannot be factored using the difference of squares?

• 4x² - 121

• 16 - 25x²

• m² - n²

• 36x² - 54

Tags

CCSS.HSA.APR.C.4

We can't factor using difference of two square this

49x² + 4y². Why?

• 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 if it is addition sign.

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

• Not Factorable

Tags

CCSS.HSA.APR.C.4

( 4x² - 4 ) = ( 2x - 2 ) ( 2x + ___)

Tags

CCSS.HSA.SSE.A.2

Mathematical Equivalence

ON

Tags

CCSS.HSA.APR.C.4

We can't factor using difference of two square this

25x² - 51y². Why?

• Because 51 is not a perfect cubed number.

• Because 51 is not a perfect squared number.

• Because 25 is not a perfect squared number.

• Because we can't factor using difference of two squares if it is addition sign.

Tags

CCSS.HSA.APR.C.4

• Not Factorable

Tags

CCSS.HSA.APR.C.4