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