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Polynomials
Contributed by: Joeck
  • 1. (3xy10)*(4x2y5)
A) 12x2y10
B) 7xy5
C) 12(xy)100
D) 12x3y15
  • 2. (3x2+4x-2) + (6x2+2x+7)
  • 3. (2x3-4x2-16x-12)-(x2+4x-6)
  • 4. (x+3)(x-5)
A) x2-2x-15
B) 2x-15
C) x2+8x-8
D) 2x-2
  • 5. (2x-5)2
A) 4x2+25
B) 4x2-20x-25
C) 4x2-25
D) 4x2-20x+25
  • 6. (7x+1)(2x-5)
A) 14x2-33x-5
B) -24x2
C) 9x-4
D) 14x2-5
  • 7. Factor x2-10x+25 into two parentheses
  • 8. What is one of the factors of 3x2-13x-10
A) 3x2
B) 3x-10
C) 3x+2
D) -10x-10
  • 9. Factor x3-a3
A) (x+a)(x2-ax+a2)
B) (x+a)(x-a)
C) Cannot be factored
D) (x-a)(x2+ax+a2)
  • 10. Expand (2x5-x3)(4x5+12x)
A) (2x3)(16x6)
B) 6x5-x3+12x
C) 8x10-4x8+24x6-12x4
D) 6x10+11x4
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