1
|
2
|
x = 2 ± √y | |
3
|
|
4
|
b = a / 3 |
5
|
t = ± √(1 − 3s2) |
6
|
a = b / 3 |
7
|
√6 + 4√2
|
8
|
-1
|
9
|
8
|
10
|
3√5 / 5
|
11
|
2 − √ 3
|
12
|
5 + 4√2
|
13
|
x = -1
|
14
|
x = 3 or 1
|
15
|
x = 3 |
16
|
x = 1.485 ( to 4 sig. fig.) |
17
|
x = 2.579 (to 4 sig. figs.) |
18
|
x = 0.9827 ( to 4 sig. figs.) |