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