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Inténtalo
Álgebra: fracciones algebraicas
  • 1. (x2+2x)/(x2-4)
A) 1/2
B) Es irreducible
C) x/(x +2)
D) x/(x - 2)
  • 2. (x2 + 8x+15)/(x2 -5x- 24)
A) Es irreducible
B) (x + 5)/(x - 8)
C) (x - 5)/(x + 8)
D) (x - 5)/(x - 8)
  • 3. (10x-2x2)/(2x2 - 7·x - 15)
A) - 2·x/(2·x + 3)
B) - 2/(x - 3)
C) 2·x/(2·x - 3)
D) 2·x/(x + 3
  • 4. (24x3-24x2+6x)/(32x4-48x3+24x2-4x)
A) 3/(2·x - 1)
B) 3x/(4·x - 2)
C) 3/(2·(2·x - 1))
D) Es irreducible
  • 5. 1/(x2-x)+(x+1)/x+x/(x-1)
A) 2/(x + 1)
B) 2·x/(x - 1)
C) 2/(x - 1)
D) 2·x/(x + 1)
  • 6. (2x-3)/(6x+9)-(x-1)/(4x2+12x+9)
A) (4·x2 + 3·x - 6)/((2·x + 3)2)
B) (4·x2 - 3·x - 6)/(3·(2·x + 3)2)
C) (4·x2 + 3·x + 6)/(3·(2·x + 3))
D) (4·x2 - 3·x - 6)/((2·x - 3)(2x+3))
  • 7. 3/(x2-x+1)+(x2-4)/(x3+1)+1/(x+1)
A) 2/(x2 + x - 1)
B) 2·x/(x2 - x + 1)
C) x/(x2 - x + 1)
D) 2·x/(x2 + x - 1)
  • 8. (7x-45)/(x2+11x-26)-(6x-9)/(5x2+15x-50)+(7-4x)/(2x2+10x-28)
A) (38·x3 + 157·x2 + 4352·x + 11837)/(10·(x + 2)·(x - 5)·(x - 7)·(x - 13))
B) (38·x3 - 157·x2 - 4352·x + 11837)/(10·(x - 2)·(x + 5)·(x + 7))
C) (38·x3 - 157·x2 - 4352·x - 11837)/((x - 2)(x + 5)(x + 13))
D) (38·x3 - 157·x2 - 4352·x - 11837)/(10·(x - 2)·(x + 5)·(x + 7)·(x + 13))
  • 9. (x2+x)/(x2+6x+9)*(x2-2x-15)/(x2-1)
A) x·(x - 5)/((x - 1)·(x + 3))
B) x·(x - 5)/((x + 1)·(x -3))
C) x/(x - 1)
D) (x - 5)/((x - 1)·(x + 3))
  • 10. {(2x2-3x-2)/(6x+3)}/{(x2-4)/(3x+6)}
A) (x + 2)/((x + 1))
B) (x + 2)/(2·(2·x + 1))
C) (x -2)/((2·x + 1)
D) (x - 2)/(2·(2·x -1))
Otros exámenes de interés :
Álgebra fracciones algebraicas
casos de factorizacion
factorizacion
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