Contents

- 1 Can you take the square root of a negative number?
- 2 What is the square of a negative number?
- 3 Is the square root of negative 4 a real number?
- 4 Why is i the square root of negative one?
- 5 Can you square zero?
- 6 What does 2 cubed look like?
- 7 Is negative square root of 16 a real number?
- 8 What are the positive and negative square roots of 4?
- 9 How do you find the positive square root?

## 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.

## What is the square of a negative number?

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 the square root of negative 4 a real number?

Negative numbers don’t have real square roots since a square is either positive or 0. The square roots of numbers that are not a perfect square are members of the irrational numbers. This means that they can’t be written as the quotient of two integers.

## 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 ).

## Can you square zero?

Square of zero is zero. square root of zero is zero. Because when we multiply ( 0 × 0 = 0 ) and (2×2=4) Hence square of 2 is 4. zero is a special integers whose Square or square root is equal to itself.

## What does 2 cubed look like?

2 cubed is 8. When we cube a number we are multiplying the base number by itself three times.

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

There is no Real number whose square is − 16.

## What are the positive and negative square roots of 4?

But the roots could be positive or negative or we can say there are always two roots for any given number. Hence, root 4 is equal to ±2 or +2 and -2 ( positive 2 and negative 2). You can also find square root on a calculator. Square Root From 1 to 50.

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

4 | 2 |

5 | 2.236 |

6 | 2.449 |

7 | 2.646 |

## How do you find the positive square root?

A square root of a number b is the solution of the equation x2=b. It is a number that when multiplied by itself gives you b. Every positive number b has two square roots, denoted √b and −√b. The principal square root of b is the positive square root, denoted √b.