Algebra 1 6.14 Factor Special cases

Factor

x² + 18x + 81

• (x + 9)(x – 9)

• (x + 18)²

• (x + 9)²

• (x + 6)²

Fill the blank to complete the Perfect Square Trinomials shown below

x²+ 28x +____

• 900

• 196

• 225

• 15

Fill the blank to complete the Perfect Square Trinomials shown below

m²+ 30x +_____

• 900

• 25

• 225

• 15

Fill the blank to complete the Perfect Square Trinomials shown below

x²+ 20x +_____

• 20

• 10

• 100

• 400

Which of the following is NOT a perfect square trinomial?

• x² – 16x + 64 
• x² – 10x + 20 
• x² – 28x + 196 
• x² – 24x + 144 

Factor: x² - 4x + 4

• (x + 2)²
• (x - 2)²
• (x + 4)²
• (x - 4)²

Factor: x² - 30x + 225

• (x + 15)²
• (x - 15)²
• (x + 25)²
• (x - 25)²

x² - 9

• (x + 3)²

• (x + 3) (x - 3)

• (x - 3)²

• x + 3(x - 3)

4x² - 25

• (2x + 5) (2x - 5)

• (2x - 5)²

• (2x + 5)²

• 2x + 5(2x - 5)

25x² - 36y²

• 5x + 6y(5x - 6y)

• (5x + 6y) (5x - 6y)

• (5x + 6y)²

• (5x - 6y)²