
Square Root of a Number. Before understanding what the square root of a number is, it is important to understand the meaning of root of a number. The root of a number is an equal factor of the number. For example, find the root of 25
First, we need to factor 25 :
25 = 1 × 25
25 = 5 × 5
The root of 25 is 5 because 5 is the equal factor for 25
We call 5 the square root of 25
The symbol : √
How to find the square root :
1. Trial...