Factoring Special Products Polynomials

What is a method of checking your work when factoring?

• FOIL

• asking the teacher every time

• assume you're correct

• division

Factor:
 2m² + 3m - 9

• 2(m + 3)(m - 3)

• (2m - 3)²

• (m + 3)(2m - 3)

• (2m + 3)(m - 3)

Factor completely.
5x²-15x+10

• (5x - 2)(x - 5)

• 5(x - 2)(x + 1)

• (5x + 2)(x + 5)

• 5(x - 2)(x - 1)

Factor Completely:  15t² - 27t - 6

• 3(5t +1)(t - 2)

• (3t - 6)(5t + 1)

• 3(5t - 1)(t + 2)

• (15t + 6)(1t - 6)

Factor completely.

x² - 144

• ( x - 12 ) ²

• ( x - 12 ) ( x - 12 )

• ( x + 12 ) ( x + 12 )

• ( x + 12 ) ( x - 12 )

Tags

CCSS.HSA.APR.C.4

Factor completely.

y² - 196

• ( y - 14 ) ( y - 14 )

• ( y + 14 ) ( y - 14 )

• ( y + 13 ) ( y - 13 )

• ( y - 13 ) ²

Tags

CCSS.HSA.APR.C.4

Factor completely.

121x² - 49

• ( 11x - 7 ) ²

• ( 11x - 7 ) ( 11x - 7 )

• ( 11x + 7 ) ( 11x - 7 )

• ( 12x + 7 ) ( 12x - 7 )

Tags

CCSS.HSA.APR.C.4

Factor.

5x² -125

• 5( x + 5 ) ( x - 5 )

• 5( x - 5 ) ( x - 5 )

• 5( x + 5 ) ( x + 5 )

• Prime

Tags

CCSS.HSA.APR.C.4

Factor:

3n² + 30n + 75

• 3(n + 5)(n - 5)

• 3(n + 25)(n + 1)

• 3(n - 5)²

• 3(n + 5)²

• a perfect square trinomial

• a difference of squares

• a prime polynomial

• a confusing problem

Tags

CCSS.HSA.APR.C.4