Grade 10 - More exercises.

Solving quadratic equations - Answers

  1.   x = 1     or     x = -1                          2.   y = 2     or     y = -2                          3.   a = 3     or     a = -3

  4.   b = 4     or     b = -4                         5.   c = 5     or     c = -5                          6.   d = 8     or     d = -8

  7.   m = 11   or   b = -11                        8.   n = 17   or   n = -17                          9.   a = 28   or   a = -28

10.   p = 6     or     p = -6                        11.   q = 7      or     q = -7                      12.   s = 9      or     s = -9

13.   t = 25   or   t = -25                          14.   v = 13   or   v = -13                        15.   b = 18   or   b = -18

16.   x = 3     or     x = -3                        17.   y = 5     or     y = -5                        18.   x = 9     or     x = -9

19.   y = 1,5   or   y = -1,5                      20.   a = 3,4   or   a = -3,4                      21.   b = 2,8   or   b = -2,8

22.   x = 2     or     x = -2                        23.   a = 5     or     a = -5                        24.   b = 2     or     b = -2

25.   m = 18   or   m = -18                     26.   n = 6     or     n = -6                        27.   v = 2     or     v = -2

28.   x = 0   or   x = 1                             29.   a = 0     or     n = -1                        30.   b = 0     or     b = 13

31.   x = 0   or   x = 2                             32.   y = 0     or     y = -3                         33.   a = 0     or     a = 5

34.   b = 0   or   b = -17                         35.   c = 0     or     c = 18                        36.   p = 0     or     p = 21

37.   q = 0   or   q = -25                         38.   s = 0     or     s = 33                        39.   x = 0     or     x = -4

40.   x = 1   or   x = 2                            41.   y = -2     or     y = -3                        42.   a = 3     or     a = -4

43.   x = -1   or   x = -2                          44.   y = 2     or     y = 3                          45.   a = 2     or     a = 5

46.   b = 3   or   b = 4                            47.   c = 5     or     c = 7                          48.   m = -2     or     m = -3

49.   n = -4   or   n = -6                         50.   p = 6     or     p = 8                           51.   q = -3     or     q = -5

52.   x = -8   or   x = -10                        53.   y = 11     or     y = 12                      54.   z = 13     or     z = 17

     
  
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