Factoring the Difference of Two Squares

Factor y² - 196

• (y - 14) (y - 14)

• (y + 14) (y - 14)

• (y + 13) (y - 13)

• (y - 13) ²

Factor 121x² - 49

• (11x - 7) ²

• (11x - 7) (11x - 7)

• (11x + 7) (11x - 7)

• (12x + 7) (12x - 7)

Factor 64x² - 49y²

• (8x + 7) (8x - 7)

• (8x - 7y) (8x - 7y)

• (8x + 7y) (8x - 7y)

• (8x - 7y)²

Factor 25x² - 36y²

• (5x² + 6y²) (5x² - 6y²)

• (5x + 6y) (5x - 6y)

• (5x + 6y)²

• (5x - 6y)²

Factor 25x² - 81.

• (5x² - 9²)²

• (5x + 9) (5x + 9)

• (5x + 9) (5x - 9)

• (5x - 9) (5x - 9)

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

• 4x² - 121

• 16 - 25x²

• m² - n²

• 36x² - 54

Which is an example of difference of two squares?

• ( x³ - 4)

• ( x² - 3)

• ( x² + 4)

• ( x² - 4)

a² - b² = ( a + b ) ( a - b ) is the pattern in factoring the difference of two squares.

• No

• Yes

One of the factors of (a ² - 1 ) is

• ( a - 1)

• ( a² + 1)

• Both

• None of the above

Factor ( 4a² - 36 )

• ( a - 6 ) ( a - 6 )

• ( 2a + 6 ) ( 2a - 6 )

• ( a + 6 ) ( a + 6 )