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