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Special Products
Con il contributo di: Gella
  • 1. (2x2+3y)(2x2-3y)
A) 4x4+9y2
B) 2x4-9y2
C) 4x4-9y2
D) 4x4-3y
  • 2. (x+2)(x+5)
A) x2-7x-10
B) x2-7x+10
C) x2+7x+10
D) x2+11x+10
  • 3. (3x+4y)(2x-3y)
A) 6x2-3xy+4y2
B) 12x2+2xy+12y2
C) 6x2-xy-12y2
D) x2+4y2
  • 4. (x+y-1)3
A) x3+3x2y+3xy2+y3-3x2-6xy-3y2+3x-3y+1
B) x3+4x2y+2xy2+y3-3x2-6xy-3y2+3x+3y-1
C) x3+3x2y+3xy2+y3-3x2-6xy-3y2+3x+3y-1
D) x3+3x2y+3xy2+y3-3x2-6xy-3y32-x+3y-1
  • 5. (3x+2y)(9x2-6xy+4y2)
A) 27x3-6y3
B) 24x3+8y3
C) 27x6+8y3
D) 27x3+8y3
  • 6. 2a(3x-4y)
A) 6x-8ay
B) 6ax-8ay
C) 6ax+8ay
D) 2ax-8ay
  • 7. (2x+7)(3X-4)
A) 6X2-13X-28
B) 6X2+13X-28
C) 6X2+11X-28
D) 6X2-13X-28
  • 8. (X+7)(X+2)
A) X2+7X-14
B) X2+9X+14
C) X2+9X-14
D) X2+7X+14
  • 9. (2w+5z)2
A) w2+25wz+25z2
B) w2+20wz+25z2
C) 4w2+20wz+20z2
D) 4w2+20wz+25z2
  • 10. (3u3+4v2)(3u3-4v2)
A) 9u6-64v4
B) 81u6-16v4
C) 9u6-16v4
D) 9u6+16v4
  • 11. (5x-2y)(3x+6y)
A) 15x2+24xy+12y2
B) 15x2+12xy-12y2
C) 15x2+24xy-12y2
D) 15x2-24xy-12y2
  • 12. (a+b)5
A) a5+5a4b+10a3b2+10a2b3+5ab4
B) a4+5a4b+10a2b3+5ab4+b5
C) a5+5a4b+10a3b2+10a2b3+5ab4+b5
D) a5+5a4b+10a3b2+10a2b3+b5
  • 13. Which of the 10 special products is applicable to answer: (a-b)3?
A) Special Product # 1
B) Special Product # 7
C) Special Product # 8
D) Special Product # 9
  • 14. Which of the 10 special products is applicable to answer: (a2+b3)2?
A) Special Product # 4
B) Special Product # 1
C) Special Product # 3
D) Special Product # 2
  • 15. Which of the 10 special products is applicable to answer: (x+3y+z)x?
A) Special Product # 3
B) Special Product # 2
C) Special Product # 4
D) Special Product # 1
  • 16. (x+y2)2
A) x2+2xy2+4y4
B) 2x2+2xy2+y4
C) x2+2xy2+y4
D) x2+2xy2+y2
  • 17. 2(x+3)
A) 2x+7
B) 2x+6
C) 2x-6
D) 2x+3
  • 18. (r+y)2
A) r2+2ry+2y2
B) r2+2ry+y2
C) 2r2+2ry+y2
D) r2+4ry+y2
  • 19. -7xy(3x2+4y)
A) -7x3y-28xy2
B) 21x3y-28xy2
C) -21x3y-28xy2
D) -21x3y+28xy2
  • 20. (2x+7y)(2x+7y)
A) 4x2+28xy+49y2
B) x2+28xy+49y2
C) 4x2+28xy+y2
D) 4x2+28xy+7y2
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