FAQ: What Is The Square Root Of A Negative Number?

Can you find 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.

What is the square root of a 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 does a negative square root mean?

What Is The Negative Square Root? As shown earlier, a negative square root is one of two square roots of a positive number. For the number 25, its negative square root is -5 because (-5)^2 = 25. We can solve certain equations by finding the square root of a number. Let’s consider the equation of x^2 = 121.

You might be interested:  FAQ: How To Use Square Root In Java?

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.

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.

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.

What is 2i equal to?

The absolute value of the complex number, 2i, is 2.

Is negative square root of 16 a real number?

There is no Real number whose square is − 16.

Is negative square root of 64 a real number?

If you enter SQRT (- 64 ) into a spreadsheet on your computer, you will get an error message saying something like “argument must be greater or equal to 0” because the square root of negative 64 is not possible. There is no real number multiplied by itself that will equal – 64.

You might be interested:  What Is The Sign Of Square Root In Keyboard?

What if the Radicand is negative?

When the radicand is negative, the result is not a real number. The cube root of a number is that number that when used as a factor with itself three times yields the original number.

Written by

Leave a Reply