Vivax Solutions

A Passport to Intelligent Realm

Mathematics Worksheets - Quadratic Equations (hard)



1)5x2 + 9x + 4 = 0
2)5x2 + 12x + 7 = 0
3)2x2 -3x -5 = 0
4)4x2 + 13x + 9 = 0
5)5x2 + 15x + 10 = 0
6)5x2 -5x -10 = 0
7)5x2 + 4x -1 = 0
8)2x2 + 15x + 13 = 0
9)3x2 -9x -12 = 0
10)3x2 + 8x + 5 = 0
11)2x2 -11x -13 = 0
12)5x2 + 4x -1 = 0
13)3x2 -5x -8 = 0
14)5x2 + 18x + 13 = 0
15)4x2 + 16x + 12 = 0
16)4x2 -7x -11 = 0
17)3x2 + 16x + 13 = 0
18)2x2 + 8x + 6 = 0
19)3x2 + 8x + 5 = 0
20)5x2 + 11x + 6 = 0
21)4x2 + 19x + 15 = 0
22)2x2 + 10x + 8 = 0
23)5x2 -5x -10 = 0
24)5x2 + 18x + 13 = 0
25)3x2 -10x -13 = 0
26)3x2 + 13x + 10 = 0
27)5x2 -7x -12 = 0
28)2x2 + 3x + 1 = 0
29)4x2 -10x -14 = 0
30)5x2 + 11x + 6 = 0
31)2x2 -5x -7 = 0
32)2x2 -4x -6 = 0
33)5x2 + 8x + 3 = 0
34)2x2 -12x -14 = 0
35)3x2 -26x = 0
36)2x2 + 17x + 15 = 0
37)2x2 -27x = 0
38)2x2 + 8x + 6 = 0
39)4x2 -4x -8 = 0
40)4x2 -2x -6 = 0
41)2x2 + x -1 = 0
42)3x2 -x -4 = 0
43)3x2 + 4x + 1 = 0
44)2x2 -13x -15 = 0
45)4x2 -3x -7 = 0
46)5x2 + 15x + 10 = 0
47)3x2 -12x -15 = 0
48)5x2 + 17x + 12 = 0
49)2x2 + 7x + 5 = 0
50)2x2 + 11x + 9 = 0

Joke:
After attending the Sunday School, Little Adam refuses to work out 23 - 14, saying he does not want to live in debt!