Identifying Special Case Quadratics

Find the product for the following:

(x + 9) (x - 9)

• x² - 81

• x² + 81

• x² - 18x - 81

• x² + 18x - 81

Find the product for the following:

(x + 12) (x - 12)

• x² - 144

• x² + 144

• x² + 12x - 144

• x² - 12x + 144

Find the product for the following:

(3x + 4) (3x − 4)

• 9x² − 16

• 9x − 16

• 3x² − 16

• 9x² + 24x − 16

Find the product for the following: (5x - 1) (5x + 1)

• 25x² - 1

• 25x² - 1

• 25x² + 2x - 1

• 25x² - 2x - 1

Find the product for the following:

(4x + 5) (4x − 5)

• 4x² − 25

• 16x − 25

• 16x² − 25

• 16x² + 40x − 25

Find the product for the following: (3x - 8) (3x + 8)

• 9x² + 64

• 9x² - 64

• 9x² + 48x - 64

• 9x² - 48x - 64

Factor:
x² - 25

• ( x + 5 ) ( x - 5 ) 

• ( x - 5 ) ( x - 5 ) 

• ( x + 5 ) ( x + 5 ) 

• Prime

Factor:
x² - 16

• Prime

• ( x - 4) ( x + 4) 

• ( x - 8) ( x + 8) 

• ( x - 4) ( x - 4) 

Factor: 
x² - 169

• ( x - 13) ( x + 13) 

• ( x + 13) ( x + 13) 

• ( x - 13) ( x -13) 

• Prime

Which of the following trinomials is a perfect square trinomial?

• r² - 6r + 36

• 4y² + 10y + 25

• x² + 16x + 16

• 9a² - 12a + 4