Gcf and Perfect Square Trinomials

What is ALWAYS the first step when factoring?

• Look for the GCF

• Write a, b, and c

• Difference of squares

• Group

Which of the following trinomials is a perfect square trinomial?

• r² - 6r + 36

• 4y² + 10y + 25

• x² + 16x + 16

• 9a² - 12a + 4

Which of the following is a perfect square trinomial?

• x² + 14x – 49 

• x² + 20x + 100 

• x² – 8x + 4 

• x² – 5x + 6 

What is the GCF of the trinomial?
3x² - 9x -120

• 3

• 2

• 6

• 9

Factor completely:

9m² + 30mn + 25n²

• (3m + 5n)²

• (3m - 5n)²

• (3m + n)²

• (m + 5n)²

What is the GCF of 4X² +10X + 6 ?

• 2

• 4

• X

• X²

What is the GCF?

5x² + 20x

• 5

• x

• 5x

• 20x

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

• Yes

• No

Factor completely perfect square trinomials; and solve problem involving factors of polynomials. 9a² + 24a + 16

What is the GCF of given polynomial ?

• 5a

• 15a

• 5

• a