Factoring Trinomials & Difference of Squares

When factoring a TRINOMIAL using the AC-B method, what goes on top of the cross?

• What adds to B

• What multiplies to AC

• What multiplies to AB

• What adds to AC

When factoring a TRINOMIAL using the AC-B method, what goes on the bottom of the cross?

• What multiplies to AC

• What multiplies to B

• What adds to C

• What adds to B

Factor 4x²-9

• (4x-9)(4x+9)

• (2x-3)(2x+3)

• 2x-3

• (2x-4.5)(2x+4.5)

Tags

CCSS.HSA.APR.C.4

Factor:
x² + 7x - 30

• (x + 10)(x - 7)
• (x - 10)(x + 3)
• (x + 10)(x + 3)
• (x + 10)(x - 3)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

Factor x²-25

• ( x + 5 ) ( x - 5 )

• ( x - 5 ) ( x - 5 )

• ( x + 5 ) ( x + 5 )

• Prime

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What is ALWAYS the first step when factoring?

• Look for the GCF

• Write a, b, and c

• Difference of squares

• Group

Identify "b" in the trinomial 3x+5x²-10

• 3

• 5

• -10

• 10

Identify "a" in the trinomial 5x²+3x-10

• 3

• 5

• -10

• 10

Identify "c" in the trinomial 3x+5x²-10

• 3

• 5

• -10

• 10

Factor 4x²-16

• (2x-4)(2x+4)

• (4x-4)(4x+4)

• 4(x-2)²

• 4(x-2)(x+2)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3