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Yes you can. The negative square root of 36, for example, is -6.

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Q: Why can't you take a negative square root?
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Square root of -12 plus square root of 300?

you cant take the square root of a negative number


Is the square root of -25 irrational or complex?

you cant get the square root of a negative number. nothing times itself would equal a negative number. if you have √-25 then its not possible. If you have -√25 then you take the square root of 25 and make it negative, so then it would be -5


Is negative 5 to the square root of 4 minus 6 a polynomial?

It depends on whether you take the positive square root of 4 (YES) or the negative square root of 4 (No).


What is the negative square root of 196?

Just take the square root, and put a minus sign in front of it.


What is the square root of negative 2500?

square roots of a negative number are imaginary, where i = square root (-1) sqrt (-2500) = sqrt (2500) i = 50 i


Is the square root of negative 3 an irrational or a real number?

Neither. All irrational numbers are real numbers.Using the real number system you can't take the square root of a negative number, but if you're dealing with imaginary numbers then the square root of negative 3 is the square root of 3i


How do you find negative square root of 49?

You don't. If the negative sign is outside the radical, then you take the square root of the number and apply the negative. If the negative sign is inside the radical, you will have an imaginary number.


What can you not do with square root?

When dealing with real numbers, you cannot take the square root of a negative number. The concept of the imaginary number was created to handle the square root of a negative number.That's almost like saying "when dealing with numbers bigger than 10, you cannot take the square root of 4. If what you are dealing with does not represent a number, then you cannot find its square root.


What is the square root of 16x squared?

If you square an expression and then take the square root, the squaring and the square root cancel one another, EXCEPT that the sign will be positive. Thus, if you square 16x, and then take the square root, the answer can be 16x or -16x, depending on whether "x" is positive or negative. Or if you only square x, and then take the square root of the entire expression, it would be 4x or -4x (once again, depending on whether "x" is positive or negative).


What times itself equals -9?

3i the letter "i" is a complex number in mathematics. it stands for the square root of negative one. since you cannot take the square root of negative numbers in your caculators the correct way to represent it is by putting an "i" in the place of the square root of negative one.


Why square root of negative 36 is not a real number?

When you multiply any number by itself, the result is always positive. You cannot take any real number and square it to get something negative. The square root of -36 is 6i.


Simplify the radical negative 40 square root 40?

4X10= 40 take the square root of 2 and makes exactly a 2, and just leave the square root of 10 with radical sign so the answer is 2i square root of 10