# FAQ: How To Answer Square Root Problems?

## How do you explain square root to a child?

Definition of Square Root The square root of a number is a value that can be multiplied by itself to give the original number. The square root of 9 is 3, because when 3 is multiplied by itself, you get 9.

## How many answers are there to a square root problem?

There is no equation to solve, thus there are no solutions to speak of. Square root of positive real numbers are defined to take the positive root. It is from definition but not from calculation. x2=49 does have 2 roots, but we will only take the positive one for square root.

## IS 400 a perfect square?

400 is a perfect square. Because 20 * 20 = 400.

## What is the root square of 10?

List of Perfect Squares

NUMBER SQUARE SQUARE ROOT
8 64 2.828
9 81 3.000
10 100 3.162
11 121 3.317

## What is the root square of 169?

The square root of 169 is 13.

## What is 4 the square root of?

It is called principal square root denoted by √a. √ is called the radical symbol or radix and in this example, the principal square root of 25 is 5 which is denoted by √25 = 5, because 52 = 5 • 5 = 25 and 5 is non-negative. Square Root From 1 to 50.

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Number Square Root Value
2 1.414
3 1.732
4 2
5 2.236

## What is a square root of 196?

So, the square root of 196 is 14.

## Why is 9 The square root of 81?

Explanation: 81 = 9 ⋅ 9 then the square root of √ 81 = 9. Because the double multiplication for the same sign is always positive, the square root is also valid with the other sign 81 =(− 9 )⋅(− 9 ) then √ 81 =− 9 and we can say that √ 81 =± 9.

## How many square roots does 0 have?

Zero has one square root which is 0. Negative numbers don’t have real square roots since a square is either positive or 0.

## Is 80 a perfect square?

80 is not a perfect square. 80 is a natural number, but since there is no other natural number that can be squared to result in the number 80, it is NOT a perfect square root.

## Is 75 a perfect square?

A: No, the number 75 is not a perfect square.

## Is 1 a perfect square?

Informally: When you multiply an integer (a “whole” number, positive, negative or zero) times itself, the resulting product is called a square number, or a perfect square or simply “a square.” So, 0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, and so on, are all square numbers.