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