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Operacions amb monomis I
  • 1. 2x3-5x3
A) 3x5
B) 3x3
C) -3x3
D) -3x5
E) 7x3
  • 2. x2+2x2
A) 2x2
B) 3x4
C) x4
D) x2
E) 3x2
  • 3. 6xy + 3x - 2y + 2yx + x - 5y
A) 5xy
B) 5x2y2
C) 6xy+2yx+4x-7y
D) 8xy+3x-7y
E) 8yx+4x-7y
  • 4. 3x2 + 4x2 - 2x
A) 7x2-2x
B) 5x2
C) x2-2x
D) 5x3
E) 7x4-2x
  • 5. 5ab + 3ab - ba+ 4ba
A) 10ab
B) 11ab
C) 3ab
D) 8ab+3ba
E) 8a2b2-4b2a2
  • 6. 3x2 · 4x
A) 12x2
B) 7x
C) 12x3
D) x3
E) 12x
  • 7. -2x3 · (-4x3)
A) 8x6
B) -8x6
C) 8x9
D) 6x6
E) 6x-6
  • 8. 5x2y · 4xy2
A) x3y3
B) 9xy
C) 9x3y
D) 20x3y3
E) 20xy
  • 9. a3b2c · 4b2c ·2ca2b
A) 8a5b4c3
B) 8abc
C) 8a5b5c3
D) 6a5b5c3
E) 7abc
  • 10. 5x3 · (-3x) · (-2x2)
A) 0x6
B) 10x5
C) -30x6
D) 30x6
E) 25x6
Students who took this test also took :
Problema directe I
Semblança
Proporcionalitat geomètrica
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