Factoring Trinomials

Factor (Easy Trinomial)
a² - a - 12

• (a - 4)(a + 3)

• (a + 6)(a - 4)

• (a - 6)(a + 4)

• (a + 4)(a - 3)

What factors multiply to -28, and add to -3?

• -7, 4

• 7, -4

• -7, -4

• 2, -14

Solve the quadratic equation by factoring
a² + 10a + 21 = 0

• ± √21

• -3 , -7

• 3 , 7

• 28 , -7

Tags

CCSS.HSA-REI.B.4B

Solve the equation by factoring:
x² -6x + 8 = 0

• 2, 4

• -2, -4

• -2, 4

• 2, -4

Tags

CCSS.HSA-REI.B.4B

• (x - 7)(x + 4)

• (x - 4)(x - 7)

• (x - 4)(x + 7)

• (x + 4)(x + 7)

• x+4

• x+3

• x+12

• x-3

• x-4

• x+4

• x+3

• x+12

• x-3

• x-4

Solve the equation by factoring:

x² + x - 6 = 0

• {-2, 3}

• {-2, -3}

• {2, -3}

• {-2}

Tags

CCSS.HSA-REI.B.4B

What factors multiply to 15, and add to 8?

• 5, -3

• 3, -5

• 5, 3

• 1, 15

Tags

CCSS.HSA-REI.B.4B

Factor the Trinomial:
x² - 8x + 15

• (x + 5) ( x + 3)

• (x - 5) (x - 3)

• (x + 15) (x - 1)

• (x - 7) (x - 8)