Tema 6. Ecuaciones de primer y segundo grado. 2 ESO RAVATXOL
  • 1. 2x-5+3x+1=3x-2
A) x=1
B) x=0
C) x=-1
D) x=2
  • 2. 6x-1+x=4-5x+3
A) x=2/3
B) x=12
C) x=8
D) x=2
  • 3. 6(x+1)-4x=5x-9
A) x=0
B) x=5
C) x=6
D) x=-2
  • 4. 18x-13=8-4(3x-1)
A) x=5
B) x=1/2
C) x=5/6
D) x=-2
  • 5. 5x/3+1=5/6+x
A) x=-1/4
B) x=-4
C) x=-1/2
D) x=2
  • 6. 3x/5-1/4=x-7x/10-1/5
A) x=1/3
B) x=3
C) x=1/6
D) x=6
  • 7. 1-(x+1)/3=2x-1/3
A) x=7/3
B) x=3/7
C) x=1/3
D) x=1/2
  • 8. x-1/3=1/6(2x-5)
A) x=1/3
B) x=-3/4
C) x=4
D) x=-1/2
  • 9. 3x-1=0
A) x=3
B) x=4
C) x=1/4
D) x=1/3
  • 10. 2x-3=2x-4+1
A) x no existe
B) x=0
C) x=3
D) x=-3
  • 11. x2+3x+2=0
A) x=-1 x=-2
B) x=0 x=-1
C) x=0 x=-2
  • 12. x2-4x+4=0
A) x=4 x=2
B) x=2 x=2
C) x=0 x=2
  • 13. x2+4x=0
A) x=2 x=4
B) x=0 x=-4
C) x=0 x=4
  • 14. x2-9=0
A) x=3 x=-3
B) x=0 x=3
C) x=9 x=-9
  • 15. 2x2-8x=0
A) x=0 x=8
B) x=0 x=4
C) x=4 x=-4
  • 16. 2x2-8=0
A) x=2 x=-2
B) x=0 x=2
C) x=4 x=-4
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