Factoring Trinomials

To factor x²+13x+42, think of two numbers whose (blank) is 42 and whose (blank) is 13. 

• product, sum
• sum, product
• Don't think, just give up

What polynomial has factors (x - 3)(x + 8)?

• x² + 5x -24
• x² - 5x + 24
• x² - 5x -24
• x² + 5x + 24

Tags

CCSS.HSA.APR.A.1

Factor: 
x² + 7x + 6

• (x + 6) (x + 1)
• (x + 3) (x + 2)
• (x + 4) ( x + 3)
• (x - 6) ( x -1)

Factor:
x² + 6x + 8

• (x + 4)(x + 2)
• (x - 4) ( x - 2)
• (x + 8) (x + 1)
• (x - 8) (x-1)

Factor:
x² - 8x + 15

• (x + 5) ( x + 3)
• (x - 5) (x - 3)
• (x + 15) (x - 1)
• (x - 7) (x - 8)

Factor:
x² - 3x - 18

• (x - 6) (x - 3)
• (x - 6) (x + 3)
• (x - 9) (x + 2)
• (x - 18) (x + 1)

Factor:
x²+ x - 30

• (x + 30) (x - 1)
• (x + 6) (x + 5)
• (x + 6)(x - 5)
• (x - 15)(x + 2)

Factor:
x² - 13x + 36

• (x - 9)(x - 4)
• (x - 18) ( x - 2)
• (x - 12) ( x + 3)
• (x + 2) ( x + 18)

Factor:
x² - x - 30

• (x - 6) (x + 5)
• (x - 5) ( x + 6)
• (x + 15)(x - 2)
• (x - 6) ( x - 5)

Factor:
x² - 10x + 9

• (x + 9) (x + 1)
• (x + 3) (x - 3)
• (x + 9) (x - 1)
• (x - 9)(x - 1)