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