Polynomials Review

x² - 25

• ( x + 5 ) ( x - 5 ) 

• ( x - 5 ) ( x - 5 ) 

• ( x + 5 ) ( x + 5 ) 

• Prime

Find the factors of

3b² + 17b + 20

• (2b - 5)(b - 7)

• (5b - 7)(b - 2)

• (b + 5)(3b + 4)

• (3b + 5)(b + 4)

Factor
81m² - 1 

• not factorable

• (m-9)(m+9)

• 9m(9m-1)

• (9m-1)(9m+1)

Factor by grouping:
4p³+8p²+3p+6

• (2p²+3)(p+2)

• (2p²+6)(p+4)

• (4p²+3)(p+2)

• (4p²+8p)(3p+6)

Factor completely: 
3x² + 18x +15

• 3(x² + 6x + 5)

• (x + 5)(x + 1)

• 3(x + 5)(x + 1)

• Prime

Factor completely:

3x² + 18x +15

• 3(x² + 6x + 5)

• (x + 5)(x + 1)

• 3(x + 5)(x + 1)

• Prime

Factor:
 4h² - 17h + 4

• (2h - 2)²

• 4(h + 4)(h + 1)

• (2h - 2)(2h + 2)

• (h - 4)(4h - 1)

• (9m – 20)(4m + 5)

• 4(3m – 5)(3m + 5)

• 2(2m – 5)(9m + 10)

Which row of Pascal's Triangle would you use to expand (x+y)³?

• 1

• 1  1

• 1  2  1

• 1  3  3  1

Expand (x -1)⁴

• x⁴ + 4x³ - 6x² + 4x - 1

• x⁴ + 4x³ + 6x² + 4x + 1

• x⁴ - 4x³ + 6x² - 4x + 4

• x⁴ - 4x³ + 6x² - 4x + 1