Grade 10 - More exercises.

Solving quadratic equations

       Solve the following quadratic equations:

  1.   x² – 1 = 0                                2.   y² – 4 = 0                               3.   a² – 9 = 0

  4.   b² – 16 = 0                              5.   c² – 25 = 0                            6.   d² – 64 = 0

  7.   m² – 121 = 0                          8.   n² – 289 = 0                           9.   a² – 784 = 0

10.   36 – p² = 0                           11.   49 – q² = 0                           12.   81 – s² = 0

13.   625 – t² = 0                          14.   169 – v² = 0                         15.   324 – b² = 0

16.   x² – 8 = 1                             17.   y² – 4 = 21                           18.   x² – 8 = 73

19.   y² - 2,25 = 0                         20.   a² – 11,56 = 0                      21.   b² - 7,84 = 0

22.   3x² – 12 = 0                         23.   2a² – 50 = 0                         24.   8b² – 32 = 0

25.   972 – 3m² = 0                     26.   180 – 5n² = 0                        27.   28 – 7v² = 0

28.   x(x - 1) = 0                           29.   a(a + 1) = 0                          30.   b(b - 13) = 0

31.   x² - 2x = 0                            32.   y² + 3y = 0                            33.   a² - 5a = 0

34.   b² + 17b = 0                         35.   c² - 18c = 0                          36.   21p – p² = 0

37.   25q + q² = 0                         38.   - s² + 33s = 0                       39.   –x² - 4x = 0

40.   (x - 1)(x - 2) = 0                    41.   (y + 2)(y + 3) = 0                 42.   (a - 3)(a + 4) = 0

43.   x² + 3x + 2 = 0                     44.   y² - 5y + 6 = 0                      45.   a² - 7a + 10 = 0

46.   b² - 7b + 12 = 0                    47.   c² - 12c + 35 = 0                  48.   m² + 5m + 6 = 0

49.   n² + 10n + 24 = 0                 50.   p² - 14p + 48 = 0                 51.   q² + 8q + 15 = 0

52.   x² + 18x + 80 = 0                 53.   y² - 23y + 132 = 0                54.   z² - 30z + 221 = 0