Polynomials and Factoring Test

Find the factors of 2b² + 14b - 16

• 2(b - 1)(b + 8)

• 6(b - 1)(b - 5)

• 2(b + 1)(b - 8)

• 2(b - 1)(b - 8)

Find the factors of

5k² - 18k + 9

• (5k - 3)(k - 3)

• (3k + 5)(k - 10)

• (2k - 1)(k + 6)

• (5k + 7)(k + 6)

x² - 25

• ( x + 5 ) ( x - 5 ) 

• ( x - 5 ) ( x - 5 ) 

• ( x + 25 ) ( x - 25 ) 

• Prime

225 - x²

• ( x + 15)( x - 15) 

• Prime

• ( 15 - x)( 15 + x) 

• ( 15 - x) ( 15 - x) 

Factor by grouping:
3x³-x²+6x-2

• (x²+2)(3x+1)

•  (x²+2)(3x-1)

• (3x³+6x)(x²-2)

• none of the aboe

Factor by grouping:
 12a² - 15ab - 16a + 20b 

• 3a ( 4a - 5b) - 4 ( 4a - 5b )

• ( 4a - 5b)( 3a - 4 )

• ( 6a - 10b )( 2a - 2b)

• Prime 

(5x+2)(x²-3x+6)

• 5x³ - 17x² +24x +12

• 5x³ + 17x² - 24x +12

• 5x³ - 13x² + 24x +12

• 5x³ +13x² - 24x - 12

What is the degree of the monomial?

• 5

• 3

• 8

• 9

(3+y) + (6y -5)

• 9y+4

• 7y -2

• 4y

• 7y+8

(3y+4) - (6y -5)

• 3y + 9

• 9y -1

• -9y + 9

• -3y + 9