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Ecuaciones de segundo grado
Contributed by: Medrano alvarez
(Original author: Vega Yanez)
  • 1. x2 - 9x + 8 = 0
A) -6, 6
B) 1, 8
C) -11, 8
D) -4, 0
  • 2. x2 + 6x - 16 = 0
A) -1, 1
B) 0, 5
C) -8, 2
D) 3, 9
  • 3. x2 - 12x + 27 = 0
A) -8, 2
B) 0, 5
C) -1, 1
D) 3, 9
  • 4. x2 - 5x = 0
A) 3, 9
B) -8, 2
C) 0, 5
D) -1, 1
  • 5. x2 - 1 = 0
A) -1, 1
B) 3, 9
C) -8, 2
D) 0, 5
  • 6. x2 + 3x = 28
A) -4, 4
B) 4, 8
C) -7, 4
D) 7, -4
  • 7. 2x2 = 32
A) 7, -4
B) -7, 4
C) 4, 8
D) -4, 4
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