Factoring Trinomials Mixed

Which of the following is a perfect square trinomial?

• x² + 14x – 49 

• x² + 20x + 100 

• x² – 8x + 4 

• x² – 5x + 6 

Factor: x² + 24x + 144

• (x + 12)²

• (x + 9)²

• (x + 15)²

• (x + 13)²

Factor: x² - 4x + 4

• (x + 2)²

• (x - 2)²

• (x + 4)²

• (x - 4)²

Factor:
 n² + 10n + 25

• (n + 5)(n - 5)

• (n + 25)(n + 1)

• (n - 5)²

• (n + 5)²

Which of the following is NOT a perfect square trinomial?

• x² – 16x + 64 

• x² – 10x + 20 

• x² – 28x + 196 

• x² – 24x + 144 

Is this a perfect square trinomial?
x² + 16x + 64

• Yes

• No

Is this a perfect square trinomial?
x² + 14x + 49

• Yes

• No

4x² - 25

• (2x + 5) (2x - 5)

• (2x - 5)²

• (2x + 5)²

• 2x + 5(2x - 5)

Factor

x² + 18x + 81                      

• (x + 9)(x – 9)

• (x + 18)²

• (x + 9)²

• (x + 6)²

What is a method of checking your work when factoring?

• FOIL

• asking the teacher every time

• assume you're correct

• division