Chapter 10.3
√25
5
√36
6
25²
625
8²
64
√49
7
√64
8
9²
81
3²
9
√81
9
Square Root
A number that when multiplied by itself equals a given number.
Radical
Another name for a root: one might refer to √a as "radical 2."
2²
4
√16
4
20²
400
7²
49
1²
1
√1
1
√100
10
10²
100
√121
11
√144
12
11²
121
√169
13
√196
14
12²
144
√225
15
4²
16
√256
16
13²
169
√289
17
√324
18
√361
19
14²
196
√4
2
√400
20
15²
225
5²
25
√625
25
16²
256
17²
289
√9
3
18²
324
6²
36
19²
361
Perfect Squares
Numbers whose square roots are integers.
Negative Square Root
One of two square roots of a positive real number
Radicand
The expression under the radical sign.
Principal Square Root
The non - negative square root of a number.