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ecuaciones cuadraticas/lineales
  • 1. 3x2 + 5x - 2 = 0
A) x = -1 o x = 2/3
B) x = 2 o x = -1/3
  • 2. x2 - 6x + 8 = 0
A) x = 2 o x = 4
B) x = -2 o x = 6
  • 3. 2x2 + 7x + 3 = 0
A) x = 1 o x = -1/2
B) x = -1 o x = -3/2
  • 4. -4x2 + 12x - 8 = 0
A) x = 3 o x = -2
B) x = 1 or x = 2
  • 5. 5x2 + 2x - 3 = 0
A) x = -1 o x = 3/5
B) x = 1 o x = -3/5
  • 6. 3x + 5 = 8
A) x = 1
B) x = -1
  • 7. 2x - 7 = 1
A) x = 4
B) x = 2
  • 8. 6x + 4 = 10x - 2
A) x = 2
B) x = 1
  • 9. -5x + 3 = 2x - 1
A) x =-2
B) x = 1/3
  • 10. 4x + 8 = 3x + 5
A) x = -3
B) x = 2
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