Contents

- 1 What is a square root of 4?
- 2 Is the square of 16?
- 3 What does the square root of 7 mean?
- 4 What is 16 called in square root?
- 5 Is 4 a perfect square?
- 6 Is 16 a real number?
- 7 Does a square root have 2 answers?
- 8 What is the positive and negative square root of 16?
- 9 What is the root square of 10?
- 10 Why is 9 The square root of 81?
- 11 What is the answer of root 7?
- 12 How do you find the square root of 16?
- 13 How many roots does √ 16 have?

## What is a square root of 4?

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 4 is 2 which is denoted by √4 = 2 because 2^{2} = 2 • 2 = 4 and 2 are non-negative. Square Root From 1 to 50.

Number | Square Root Value |
---|---|

2 | 1.414 |

3 | 1.732 |

4 | 2 |

5 | 2.236 |

## Is the square of 16?

The square root of 16 is a rational number. The square root of 16 is 4, an integer. This is because 16 is a perfect square.

## What does the square root of 7 mean?

Explanation: Since 7 is a prime number, it has no square factors and its square root cannot be simplified. It is an irrational number, so cannot be exactly represented by pq for any integers p,q. with n= 7, p=8 and q=3.

## What is 16 called in square root?

The square root of 16 is expressed as √ 16 in the radical form and as 16 ^{1}^{/}^{2} in exponential form. The square root of a number is both negative and positive for the same numerical value i.e., the square root of 16 will be 4.

## Is 4 a perfect square?

For instance, the product of a number 2 by itself is 4. In this case, 4 is termed as a perfect square. A square of a number is denoted as n × n. Example 1.

Integer | Perfect square |
---|---|

2 x 2 | 4 |

3 x 3 | 9 |

4 x 4 | 16 |

5 x 5 | 25 |

## Is 16 a real number?

Rational numbers include natural numbers, whole numbers, and integers. Sixteen is natural, whole, and an integer. Since it can also be written as the ratio 16:1 or the fraction 16 /1, it is also a rational number. It’s easy to look at a fraction and say it’s a rational number, but math has its rules.

## Does a square root have 2 answers?

It has multiple answers so why do we pick the positive one? if x 2 =16⟹x=√16 or x=−√16 for respectively the positive and negative solution. This implies that the square root function has a single answer and we must negate its answer to obtain the second solution.

## What is the positive and negative square root of 16?

So any positive real number, like 16, actually has 2 square roots, one positive, the other negative. The positive square root is termed the “principal square root,” the negative square root is unfortunately unnamed.

## What is the root square of 10?

Table of Squares and Square Roots

NUMBER | SQUARE | SQUARE ROOT |
---|---|---|

9 | 81 | 3.000 |

10 | 100 | 3.162 |

11 | 121 | 3.317 |

12 | 144 | 3.464 |

## 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.

## What is the answer of root 7?

To find the square root of 7 we can use the long division method which is simple and easy. Therefore, the value of the square root of 7 is 2.64.

## How do you find the square root of 16?

The root of 16 is 4 because 4 is the equal factor for 16. We call 4 the square root of 16 and we write √ 16 = 4. 4 is called square root because we have to square 4 or raise 4 to a power of 2 to get 16.

## How many roots does √ 16 have?

imaginaryc. one real rootd. two real roots – Brainly.ph.