ET 1.25: Factoring Simple Trinomials (a = 1)

What 2 numbers...

Add to be 5 and

Multiply to be 6

• + 2 and +3

• - 2 and + 3

• + 2 and - 3

• + 6 and -1

Factor

 $x^2+5x+6$  

• ( x + 2 )( x + 3 )

• ( x - 2 )( x + 3 )

• ( x - 2 )( x - 3 )

• + 3 and + 2

What 2 numbers...

Add to be 2 and

Multiply to be 1

• + 1 and + 1

• - 2 and + 4

• + 2 and - 4

• + 2 and - 1

Factor

 $x^2+2x+1$  

• ( x + 1 )( x + 1 )

• ( x - 2 )( x + 3 )

• ( x - 1 )( x - 1 )

• + 1 and + 1

What 2 numbers...

Add to be 6 and

Multiply to be - 7

• + 7 and - 1

• - 2 and + 7

• + 7 and + 2

• + 13 and - 2

Factor

 $x^2+6x-7$  

• ( x + 7 )( x - 1 )

• ( x - 3 )( x + 9 )

• ( x - 5 )( x - 1 )

• + 7 and - 1

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

• 3
• 2
• 6
• 9

Tags

CCSS.6.NS.B.4

What is the GCF?

5x² + 20x

• 5

• x

• 5x

• 20x

Tags

CCSS.6.NS.B.4

What is the GCF?

16x⁵ + 12x⁴ - x³

• x⁵

• 12x

• 6x³

• x³

Tags

CCSS.7.EE.A.1

What is the GCF?

11ab + 32ab

• 11

• 11ab

• ab

• 2a