Factoring Trinomials with a=1

What is the result of factoring the trinomial x^2 + 8x + 15?

• x + 2 and x + 7

• x + 4 and x + 11

• x + 3 and x + 5

• x + 5 and x + 10

Which pair of factors of 15 adds up to 8?

• 3 and 5

• 2 and 6

• 1 and 7

• 4 and 4

Tags

CCSS.4.OA.A.3

For a trinomial with a middle term of 9, which factors of 8 would be correct?

• 4 and 4

• 1 and 8

• 2 and 6

• 3 and 5

What is the correct factorization of x^2 + 9x + 20?

• x + 4 and x + 5

• x + 3 and x + 7

• x + 1 and x + 8

• x + 2 and x + 10

Which pair correctly factors the trinomial x^2 - 11x + 24?

• x - 3 and x - 8

• x - 2 and x - 12

• x - 4 and x - 6

• x - 5 and x - 5

How do you factor x^2 - 7x + 12?

• x - 2 and x - 6

• x - 5 and x - 7

• x - 1 and x - 12

• x - 3 and x - 4

What is the correct factorization for x^2 + 2x - 15?

• x - 5 and x + 3

• x + 3 and x - 5

• x + 5 and x - 3

• x - 3 and x + 5

Which factors of -36 add up to 5?

• -3 and 8

• -1 and 6

• -6 and 11

• -4 and 9

For the trinomial x^2 - 3x - 10, which is the correct factorization?

• x + 2 and x - 5

• x - 2 and x + 5

• x + 5 and x - 2

• x - 5 and x + 2

Which set of factors of -18 adds up to -7?

• 2 and -9

• 3 and -6

• 1 and -18

• 4 and -5