What is the Square Root of 25?
The square root of 25 is 5.
The square root of a number is a value that, when multiplied by itself, gives the original number. Finding the square root is the opposite operation of squaring a number.
Based on the provided reference and mathematical principles, the square root of 25 is 5.
How We Get the Answer 5
To find the square root of 25, we look for a number that, when multiplied by itself, results in 25.
Let's test the number 5:
- 5 multiplied by 5 equals 25 (5 x 5 = 25)
Since 5 times 5 is 25, 5 is the square root of 25.
| Number to Square | Calculation | Result |
|---|---|---|
| 5 | 5 x 5 | 25 |
This shows that the square root of 25 is indeed 5.
The Principal Square Root
When we talk about "the" square root of a positive number, we usually mean the positive root. This is called the principal square root.
It's worth noting that -5 also squares to 25, because (-5) * (-5) = 25. So, 25 actually has two square roots: 5 and -5. However, the radical symbol (√), representing the square root, typically denotes the principal (positive) square root.
Quick Facts about the Square Root of 25
- It is a whole number.
- It is an integer.
- 25 is considered a perfect square because its square root (5) is a whole number.
Understanding the square root of 25 is a fundamental concept in mathematics, often used when learning about numbers, algebra, and geometry.
