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Ecuación de segundo grado (D)
Autor :
Jhon Caro
1.
x² + 8x - 153 = 0
A.
( x + 17 )( x - 9 ) = 0
B.
( x - 18 )( x - 17 ) = 0
C.
( x + 3 )( x + 25 ) = 0
D.
( x - 21 )( x - 19 ) = 0
2.
x² + 19x - 42 = 0
A.
( x - 1 )( x - 4 ) = 0
B.
( x + 21 )( x - 2 ) = 0
C.
( x + 21 )( x - 22 ) = 0
D.
( x + 17 )( x - 2 ) = 0
3.
x² - x - 462 = 0
A.
( x - 15 )( x - 24 ) = 0
B.
( x + 22 )( x + 13 ) = 0
C.
( x + 21 )( x - 22 ) = 0
D.
( x + 2 )( x + 20 ) = 0
4.
x² + 27x + 170 = 0
A.
( x + 17 )( x + 6 ) = 0
B.
( x + 4 )( x - 18 ) = 0
C.
( x - 21 )( x + 5 ) = 0
D.
( x + 10 )( x + 17 ) = 0
5.
x² - 14x + 49 = 0
A.
( x - 7 )( x - 7 ) = 0
B.
( x + 25 )( x + 23 ) = 0
C.
( x - 24 )( x + 6 ) = 0
D.
( x + 14 )( x + 17 ) = 0
6.
x² + 12x - 288 = 0
A.
( x - 9 )( x + 13 ) = 0
B.
( x + 24 )( x - 12 ) = 0
C.
( x + 24 )( x - 6 ) = 0
D.
( x - 11 )( x + 15 ) = 0
7.
x² + 6x - 7 = 0
A.
( x + 8 )( x - 22 ) = 0
B.
( x - 19 )( x + 5 ) = 0
C.
( x + 7 )( x - 1 ) = 0
D.
( x - 18 )( x - 25 ) = 0
8.
x² - 9x - 286 = 0
A.
( x - 6 )( x - 4 ) = 0
B.
( x + 23 )( x - 3 ) = 0
C.
( x + 18 )( x + 15 ) = 0
D.
( x + 13 )( x - 22 ) = 0
9.
x² - x - 380 = 0
A.
( x + 19 )( x - 20 ) = 0
B.
( x + 8 )( x + 5 ) = 0
C.
( x - 11 )( x - 17 ) = 0
D.
( x + 3 )( x - 10 ) = 0
10.
x² - 14x + 49 = 0
A.
( x + 14 )( x - 2 ) = 0
B.
( x - 7 )( x - 7 ) = 0
C.
( x - 4 )( x + 4 ) = 0
D.
( x - 18 )( x + 25 ) = 0
11.
x² + 2x - 8 = 0
A.
( x - 10 )( x - 18 ) = 0
B.
( x + 23 )( x - 19 ) = 0
C.
( x - 2 )( x + 4 ) = 0
D.
( x + 7 )( x + 8 ) = 0
12.
x² + 19x - 150 = 0
A.
( x + 3 )( x + 19 ) = 0
B.
( x - 2 )( x + 17 ) = 0
C.
( x - 6 )( x - 15 ) = 0
D.
( x - 6 )( x + 25 ) = 0
13.
x² - 3x - 238 = 0
A.
( x + 14 )( x - 17 ) = 0
B.
( x + 1 )( x - 25 ) = 0
C.
( x - 18 )( x + 10 ) = 0
D.
( x - 25 )( x - 25 ) = 0
14.
x² - 4x - 96 = 0
A.
( x + 16 )( x - 18 ) = 0
B.
( x + 8 )( x - 12 ) = 0
C.
( x - 8 )( x - 16 ) = 0
D.
( x - 12 )( x - 24 ) = 0
15.
x² + 11x - 26 = 0
A.
( x + 23 )( x + 11 ) = 0
B.
( x + 6 )( x + 15 ) = 0
C.
( x - 2 )( x + 13 ) = 0
D.
( x - 9 )( x + 2 ) = 0
16.
x² + 21x + 20 = 0
A.
( x + 2 )( x + 15 ) = 0
B.
( x - 6 )( x + 13 ) = 0
C.
( x - 24 )( x - 1 ) = 0
D.
( x + 20 )( x + 1 ) = 0
17.
x² + 11x + 28 = 0
A.
( x + 4 )( x + 7 ) = 0
B.
( x - 12 )( x - 19 ) = 0
C.
( x - 7 )( x - 14 ) = 0
D.
( x - 20 )( x - 4 ) = 0
18.
x² - 9x - 360 = 0
A.
( x - 21 )( x + 19 ) = 0
B.
( x - 24 )( x + 15 ) = 0
C.
( x + 1 )( x + 5 ) = 0
D.
( x - 18 )( x + 5 ) = 0
19.
x² - 16x + 63 = 0
A.
( x + 15 )( x - 1 ) = 0
B.
( x + 15 )( x - 6 ) = 0
C.
( x - 9 )( x - 7 ) = 0
D.
( x + 14 )( x + 19 ) = 0
20.
x² - 6x - 216 = 0
A.
( x + 15 )( x - 24 ) = 0
B.
( x + 7 )( x + 17 ) = 0
C.
( x + 12 )( x + 14 ) = 0
D.
( x - 18 )( x + 12 ) = 0
21.
x² - 32x + 231 = 0
A.
( x - 11 )( x - 21 ) = 0
B.
( x - 6 )( x - 1 ) = 0
C.
( x - 12 )( x + 10 ) = 0
D.
( x - 12 )( x - 7 ) = 0
22.
x² - 35x + 264 = 0
A.
( x - 10 )( x + 21 ) = 0
B.
( x - 11 )( x - 24 ) = 0
C.
( x + 6 )( x + 21 ) = 0
D.
( x + 2 )( x + 21 ) = 0
23.
x² + 28x + 187 = 0
A.
( x - 20 )( x - 24 ) = 0
B.
( x - 18 )( x - 2 ) = 0
C.
( x + 11 )( x + 17 ) = 0
D.
( x - 20 )( x + 19 ) = 0
24.
x² + 10x + 16 = 0
A.
( x - 18 )( x - 14 ) = 0
B.
( x + 18 )( x + 14 ) = 0
C.
( x + 6 )( x - 12 ) = 0
D.
( x + 2 )( x + 8 ) = 0
25.
x² + 12x + 36 = 0
A.
( x + 6 )( x + 6 ) = 0
B.
( x + 12 )( x + 14 ) = 0
C.
( x + 18 )( x + 5 ) = 0
D.
( x + 12 )( x - 8 ) = 0
26.
x² + 23x + 60 = 0
A.
( x - 9 )( x - 25 ) = 0
B.
( x + 3 )( x + 20 ) = 0
C.
( x - 13 )( x + 16 ) = 0
D.
( x - 16 )( x - 21 ) = 0
27.
x² + 9x - 36 = 0
A.
( x + 6 )( x - 15 ) = 0
B.
( x + 13 )( x + 6 ) = 0
C.
( x + 12 )( x - 3 ) = 0
D.
( x + 9 )( x + 9 ) = 0
28.
x² + x - 552 = 0
A.
( x - 13 )( x - 19 ) = 0
B.
( x + 8 )( x - 17 ) = 0
C.
( x + 16 )( x - 6 ) = 0
D.
( x - 23 )( x + 24 ) = 0
29.
x² - 4x - 21 = 0
A.
( x - 7 )( x + 3 ) = 0
B.
( x + 6 )( x - 9 ) = 0
C.
( x + 11 )( x - 16 ) = 0
D.
( x - 22 )( x + 1 ) = 0
30.
x² - 28x + 75 = 0
A.
( x - 14 )( x - 19 ) = 0
B.
( x - 25 )( x - 3 ) = 0
C.
( x - 3 )( x + 10 ) = 0
D.
( x - 20 )( x + 8 ) = 0
31.
x² - 10x - 171 = 0
A.
( x + 20 )( x + 7 ) = 0
B.
( x - 24 )( x - 23 ) = 0
C.
( x - 19 )( x + 9 ) = 0
D.
( x + 15 )( x + 17 ) = 0
32.
x² - 44x + 475 = 0
A.
( x + 21 )( x - 17 ) = 0
B.
( x + 6 )( x - 17 ) = 0
C.
( x + 9 )( x + 20 ) = 0
D.
( x - 19 )( x - 25 ) = 0
33.
x² + 15x + 14 = 0
A.
( x + 14 )( x + 1 ) = 0
B.
( x + 3 )( x + 17 ) = 0
C.
( x - 15 )( x - 8 ) = 0
D.
( x + 5 )( x - 17 ) = 0
34.
x² - 2x - 288 = 0
A.
( x + 7 )( x - 4 ) = 0
B.
( x - 18 )( x + 16 ) = 0
C.
( x - 19 )( x + 16 ) = 0
D.
( x + 24 )( x - 16 ) = 0
35.
x² - 14x - 147 = 0
A.
( x - 18 )( x + 18 ) = 0
B.
( x + 7 )( x + 16 ) = 0
C.
( x - 21 )( x + 7 ) = 0
D.
( x - 13 )( x + 13 ) = 0
36.
x² - 9x - 52 = 0
A.
( x + 9 )( x - 16 ) = 0
B.
( x + 9 )( x + 6 ) = 0
C.
( x - 6 )( x + 20 ) = 0
D.
( x - 13 )( x + 4 ) = 0
37.
x² + 25x + 100 = 0
A.
( x + 20 )( x + 5 ) = 0
B.
( x - 5 )( x + 7 ) = 0
C.
( x - 1 )( x - 23 ) = 0
D.
( x + 2 )( x - 23 ) = 0
38.
x² - 30x + 125 = 0
A.
( x - 15 )( x + 25 ) = 0
B.
( x - 5 )( x - 25 ) = 0
C.
( x + 1 )( x - 8 ) = 0
D.
( x + 19 )( x + 24 ) = 0
39.
x² - 3x - 28 = 0
A.
( x + 6 )( x + 8 ) = 0
B.
( x - 14 )( x + 14 ) = 0
C.
( x - 7 )( x + 4 ) = 0
D.
( x + 4 )( x + 7 ) = 0
40.
x² - 12x - 288 = 0
A.
( x + 15 )( x - 21 ) = 0
B.
( x + 8 )( x - 1 ) = 0
C.
( x + 22 )( x + 3 ) = 0
D.
( x + 12 )( x - 24 ) = 0
41.
x² + 9x + 18 = 0
A.
( x + 3 )( x + 6 ) = 0
B.
( x + 3 )( x - 16 ) = 0
C.
( x - 18 )( x + 22 ) = 0
D.
( x - 21 )( x + 17 ) = 0
42.
x² + 27x + 92 = 0
A.
( x - 8 )( x + 10 ) = 0
B.
( x + 23 )( x + 4 ) = 0
C.
( x - 15 )( x - 3 ) = 0
D.
( x + 6 )( x - 3 ) = 0
43.
x² - 7x - 228 = 0
A.
( x + 20 )( x - 17 ) = 0
B.
( x - 25 )( x + 21 ) = 0
C.
( x + 12 )( x - 19 ) = 0
D.
( x + 13 )( x - 18 ) = 0
44.
x² - 23x + 22 = 0
A.
( x + 19 )( x - 9 ) = 0
B.
( x + 17 )( x + 14 ) = 0
C.
( x + 9 )( x + 5 ) = 0
D.
( x - 1 )( x - 22 ) = 0
45.
x² - 27x + 110 = 0
A.
( x - 22 )( x - 5 ) = 0
B.
( x + 7 )( x - 23 ) = 0
C.
( x - 19 )( x - 16 ) = 0
D.
( x - 4 )( x - 17 ) = 0
46.
x² - 10x - 200 = 0
A.
( x - 1 )( x - 17 ) = 0
B.
( x + 10 )( x - 20 ) = 0
C.
( x - 9 )( x + 21 ) = 0
D.
( x + 1 )( x + 10 ) = 0
47.
x² - 24x + 63 = 0
A.
( x + 11 )( x + 15 ) = 0
B.
( x + 17 )( x - 2 ) = 0
C.
( x - 21 )( x - 3 ) = 0
D.
( x + 15 )( x + 5 ) = 0
48.
x² + 22x + 40 = 0
A.
( x - 18 )( x + 7 ) = 0
B.
( x - 23 )( x - 17 ) = 0
C.
( x + 25 )( x + 19 ) = 0
D.
( x + 2 )( x + 20 ) = 0
49.
x² - 16x - 105 = 0
A.
( x + 5 )( x - 21 ) = 0
B.
( x + 23 )( x - 24 ) = 0
C.
( x - 2 )( x - 14 ) = 0
D.
( x - 23 )( x - 3 ) = 0
50.
x² - 10x - 264 = 0
A.
( x - 5 )( x + 20 ) = 0
B.
( x - 22 )( x + 12 ) = 0
C.
( x + 2 )( x + 8 ) = 0
D.
( x + 9 )( x - 10 ) = 0
51.
x² + x - 72 = 0
A.
( x - 6 )( x + 20 ) = 0
B.
( x - 14 )( x - 12 ) = 0
C.
( x - 8 )( x + 9 ) = 0
D.
( x - 15 )( x + 4 ) = 0
52.
x² - 33x + 252 = 0
A.
( x + 2 )( x - 8 ) = 0
B.
( x - 12 )( x + 24 ) = 0
C.
( x - 23 )( x - 11 ) = 0
D.
( x - 21 )( x - 12 ) = 0