ecuaciones
  • 1. x2+x-2=0
A) 45
B) 20
C) 1
D) 6
E) 3
  • 2. x2-49=0
A) 90
B) 34
C) 23
D) 5
E) 56
  • 3. x2-10x+25=0
A) 3
B) -8
C) 9
D) 12
E) 21
  • 4. x2+4x-32=0
A) 23
B) 18
C) 14
D) 9
E) 7
  • 5. 3x2+8x=0
A) 23
B) 8
C) 2
D) 0
E) 19
  • 6. x2+1.5x-2.5=0
A) 18
B) 19
C) 16
D) 1
E) 17
  • 7. x2-2x=48
A) 19
B) 8
C) 27
D) 3
E) 89
  • 8. -5xt2+75=70
A) 10
B) 8
C) 1
D) 13
E) 5
  • 9. -5xt2+75=37.5
A) 4
B) 7
C) 10
D) 2.739
E) 2.9
  • 10. -5xt2+75=5
A) 8
B) 18
C) 3.742
D) 43
E) 5.6
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