# What is the square root of 49? Thanks

##### 3 Answers

#### Explanation:

The square root of a number

So, we are looking for a number that gives

Since the number is relatively small, you can go and try to square each number until you obtain

So, the answer is

**Note:** You could observe that **positive** number with the property described above.

Without this definition, you may say that

#### Explanation:

Given:

If you studied square numbers, then you should easily notice that

The square and the square root cancel each other out, leaving out just

But, when you get to higher algebra and learn about quadratic equations, you'll also use the other root, which is

#### Explanation:

Consider that:

and so

Oftentimes we write this result as: