Contents

- 1 Can you take the square root of a negative number?
- 2 How do you square root a negative number on a calculator?
- 3 What is the square of negative 1?
- 4 What is the square of negative 4?
- 5 Why is i the square root of negative one?
- 6 Is negative square root of 16 a real number?
- 7 What is the square of negative 2?
- 8 Is a negative times a negative a positive?
- 9 What are all the real square roots of 100?

## Can you take the square root of a negative number?

It is impossible to find the square root of negative one, or the square root of any negative number, because no number times itself can equal a negative number.

## How do you square root a negative number on a calculator?

To take the square root of a number, press [2ND] (the secondary function key) and then [ √ ] (the radical symbol key which is used to take the square root of a number ) and then the number that you want to find the square root of and then the [ENTER] key. This will give you the answer of: 1.414213562 if done correctly.

## What is the square of negative 1?

The square root of minus one √(− 1 ) is the “unit” Imaginary Number, the equivalent of 1 for Real Numbers. In mathematics the symbol for √(− 1 ) is i for imaginary.

## What is the square of negative 4?

Squaring Negative Numbers When you want to square negative numbers in this calculator use parentheses with your input. For example, to square -4 enter it into the calculator as (-4) with parentheses. To take the negative of 4 squared enter it as -(4) or -4.

## Why is i the square root of negative one?

Here, the term “imaginary” is used because there is no real number having a negative square. There are two complex square roots of − 1, namely i and −i, just as there are two complex square roots of every real number other than zero (which has one double square root ).

## Is negative square root of 16 a real number?

There is no Real number whose square is − 16.

## What is the square of negative 2?

In fact, any number at all can be squared, even numbers like pi and 0. This is because to square a number just means to multiply it by itself. For example, (-2) squared is (-2)(-2) = 4. Note that this is positive because when you multiply two negative numbers you get a positive result.

## Is a negative times a negative a positive?

When you multiply a negative by a negative you get a positive, because the two negative signs are cancelled out.

## What are all the real square roots of 100?

List of Perfect Squares

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

97 | 9,409 | 9.849 |

98 | 9,604 | 9.899 |

99 | 9,801 | 9.950 |

100 | 10,000 | 10.000 |