Contents

- 1 Who discovered the square root?
- 2 Who invented square roots and cube roots?
- 3 Where does square root come from?
- 4 What is the first square root?
- 5 Who is the father of mathematics?
- 6 Is a square root?
- 7 Which is the square root of 144?
- 8 Who invented math?
- 9 Does a square root have two answers?
- 10 What is the formula for square root?
- 11 Why is 9 The square root of 81?
- 12 What is the positive square root of 36?
- 13 IS 400 a perfect square?
- 14 What is the square of 8?
- 15 Is 27 a square number?

## Who discovered the square root?

Regiomontanus is considered the inventor of the square root symbol. Prof Brown demonstrates how the algorithm starts by converting the input number N from base 10 to base 2.

## Who invented square roots and cube roots?

The Greek mathematician Hero of Alexandria devised a method for calculating cube roots in the 1st century CE.

## Where does square root come from?

According to Jeffrey A. Oaks, Arabs used the letter jīm/ĝīm (ج), the first letter of the word “جذر” (variously transliterated as jaḏr, jiḏr, ǧaḏr or ǧiḏr, ” root “), placed in its initial form (ﺟ) over a number to indicate its square root. The letter jīm resembles the present square root shape.

## What is the first square root?

Table of Squares and Square Roots

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

1 | 1 | 1.000 |

2 | 4 | 1.414 |

3 | 9 | 1.732 |

4 | 16 | 2.000 |

## Who is the father of mathematics?

Archimedes is known as the Father Of Mathematics. He lived between 287 BC – 212 BC. Syracuse, the Greek island of Sicily was his birthplace.

## Is a square root?

A square root of a number is a value that, when multiplied by itself, gives the number. Example: 4 × 4 = 16, so a square root of 16 is 4. The symbol is √ which always means the positive square root.

## Which is the square root of 144?

The value of the square root of 144 is equal to 12. In radical form, it is denoted as √ 144 = 12.

## Who invented math?

Beginning in the 6th century BC with the Pythagoreans, with Greek mathematics the Ancient Greeks began a systematic study of mathematics as a subject in its own right. Around 300 BC, Euclid introduced the axiomatic method still used in mathematics today, consisting of definition, axiom, theorem, and proof.

## Does a square root have two answers?

It has multiple answers so why do we pick the positive one? if x2=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 formula for square root?

The product property of square roots states that for any given numbers a and b, Sqrt(a × b) = Sqrt(a) × Sqrt(b). Because of this property, we can now take the square roots of our perfect square factors and multiply them together to get our answer. In our example, we would take the square roots of 25 and 16.

## 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 positive square root of 36?

√ 36 indicates the principal (or positive ) square root so √ 36 =6.

## IS 400 a perfect square?

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

## What is the square of 8?

Square root Table From 1 to 15

Number | Squares | Square Root (Upto 3 places of decimal) |
---|---|---|

8 | 8^{2} = 64 |
√8 = 2.828 |

9 | 9^{2} = 81 |
√9 = 3.000 |

10 | 10^{2} = 100 |
√10 = 3.162` |

11 | 11^{2} = 121 |
√11 = 3.317 |

## Is 27 a square number?

The number 27 is lies between 25 and 36, therefore 27 is not a perfect square of an integer.