Perfect Squares
√4
√10
3.1
∛8
2
x2 = 36
x = 6, x = -6
1/2, 0.75, 5/3, -3/2
-3/2, 1/2, 0.75, 5/3
√16
4
√21
4.5/4.6
∛125
5
x2 = 81
x = 9, x = -9
3/4, 1.2, 1/10, 0.555...
1/10, 0.5555, 3/4, 1.2
√144
12
√98
9.8
∛-64
-4
x2 = 121
x = 11, x = -11
10/3, √8, 2 1/2, 3.5
2 1/2, √8, 10/3, 3.5
√49
7
√15
3.9
∛1728
12
x3 = -27
x = -3
15/4, √18, 4.9, 4 3/4
15/4, √18, 4 3/4, 4.9
√-25
not possible
√57
7.6
∛-729
-9
x3 = -1000
x = -10
-1/2, -0.777..., -1.5, -√4
-√4, -1.5, -0.777..., -1/2