93) x2 + 8x + 7 = 0
94) x2 - 16x - 17 = 0
95) x2 + 12x + 35 = 0
96) x2 + 18x + 77 = 0
97) x2 + 14x + 33 = 0
98) x2 + 18x + 65 = 0
99) x2 + 19x + 34 = 0
100) x2 + 5x + 6 = 0
101) x2 + 10x + 21 = 0
102) x2 + 14x + 13 = 0
103) x2 + 24x + 119 = 0
104) x2 + 6x + 9 = 0
105) x2 + 20x + 91 = 0
106) x2 + 22x + 85 = 0
107) x2 + 15x + 26 = 0
108) x2 + 16x + 39 = 0
109) x2 + 10x + 25 = 0
110) x2 + 4x + 4 = 0
Приложение 2. Ответы.
1) x1 = 3; x2 = 7 |
2) x1 = 1; x2 = 7 |
3) x1 = 3; x2 = 3 |
4) x1 = 1; x2 = 11 |
5) x1 = 5; x2 = 7 |
6) x1 = -1; x2 = -11 |
7) x1 = 3; x2 = 13 |
8) x1 = -5; x2 = 2 |
9) x1 = 2; x2 = -11 |
10) x1 = 7; x2 = -3 |
11) x1 = 3; x2 = 17 |
12) x1 = -7; x2 = 17 |
13) x1 = 7; x2 = -2 |
14) x1 = 7; x2 = 17 |
15) x1 = 2; x2 = -7 |
16) x1 = 5; x2 = 17 |
17) x1 = 1; x2 = 17 |
18) x1 = 7; x2 = 2 |
19) x1 = -5; x2 = 3 |
20) x1 = 3; x2 = 1 |
21) x1 = 7; x2 = 7 |
22) x1 = -1; x2 = 13 |
23) x1 = -2; x2 = 3 |
24) x1 = 3; x2 = -1 |
25) x1 = 2; x2 = 13 |
26) x1 = 3; x2 = 5 |
27) x1 = 5; x2 = -7 |
28) x1 = 1; x2 = -3 |
29) x1 = 2; x2 = 17 |
30) x1 = -1; x2 = 7 |
31) x1 = -5; x2 = -11 |
32) x1 = 2; x2 = 5 |
33) x1 = 2; x2 = 2 |
34) x1 = 7; x2 = -11 |
35) x1 = 7; x2 = -17 |
36) x1 = 1; x2 = 2 |
37) x1 = 2; x2 = 3 |
38) x1 = 5; x2 = -17 |
39) x1 = 3; x2 = 11 |
40) x1 = -3; x2 = 5 |
41) x1 = 3; x2 = -13 |
42) x1 = 7; x2 = 13 |
43) x1 = 2; x2 = -17 |
44) x1 = 1; x2 = -5 |
45) x1 = 5; x2 = 13 |
46) x1 = 2; x2 = -3 |
47) x1 = -7; x2 = 11 |
48) x1 = 1; x2 = -7 |
49) x1 = 1; x2 = -17 |
50) x1 = -5; x2 = 7 |
51) x1 = 5; x2 = 5 |
52) x1 = 2; x2 = 11 |
53) x1 = 1; x2 = 5 |
54) x1 = -1; x2 = 2 |
55) x1 = -7; x2 = 3 |
56) x1 = -7; x2 = 13 |
57) x1 = 1; x2 = -11 |
58) x1 = 5; x2 = 11 |
59) x1 = 1; x2 = 13 |
60) x1 = 5; x2 = -1 |
61) x1 = 7; x2 = 11 |
62) x1 = 1; x2 = -13 |
63) x1 = -2; x2 = 5 |
64) x1 = -5; x2 = 13 |
65) x1 = -5; x2 = 17 |
66) x1 = -2; x2 = 11 |
67) x1 = 2; x2 = -13 |
68) x1 = -3; x2 = -1 |
69) x1 = 1; x2 = 1 |
70) x1 = -3; x2 = 11 |
71) x1 = -1; x2 = -2 |
72) x1 = 3; x2 = -17 |
73) x1 = -2; x2 = -11 |
74) x1 = 3; x2 = -11 |
75) x1 = 7; x2 = -13 |
76) x1 = -3; x2 = -5 |
77) x1 = -2; x2 = 13 |
78) x1 = -2; x2 = -7 |
79) x1 = -3; x2 = 17 |
80) x1 = -5; x2 = -2 |
81) x1 = -2; x2 = 1 |
82) x1 = 5; x2 = -11 |
83) x1 = -1; x2 = -1 |
84) x1 = -1; x2 = -5 |
85) x1 = -5; x2 = 11 |
86) x1 = -1; x2 = -17 |
87) x1 = 5; x2 = -13 |
88) x1 = -3; x2 = -17 |
89) x1 = -7; x2 = -7 |
90) x1 = -1; x2 = 11 |
91) x1 = -2; x2 = 17 |
92) x1 = -3; x2 = 13 |
93) x1 = -1; x2 = -7 |
94) x1 = -1; x2 = 17 |
95) x1 = -5; x2 = -7 |
96) x1 = -7; x2 = -11 |
97) x1 = -3; x2 = -11 |
98) x1 = -5; x2 = -13 |
99) x1 = -2; x2 = -17 |
100) x1 = -2; x2 = -3 |
101) x1 = -3; x2 = -7 |
102) x1 = -1; x2 = -13 |
103) x1 = -7; x2 = -17 |
104) x1 = -3; x2 = -3 |
105) x1 = -7; x2 = -13 |
106) x1 = -5; x2 = -17 |
107) x1 = -2; x2 = -13 |
108) x1 = -3; x2 = -13 |
109) x1 = -5; x2 = -5 |
110) x1 = -2; x2 = -2 |
Приложение 3. Усложненные задачи.
1) x2 - 19x + 78 = 0 |
2) x2 - 16x + 39 = 0 |
3) x2 + 2x - 8 = 0 |