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Q: What is the negative square root of 9?

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Treat it like a positive and add an i. Explanation: The square root of negative nine is equal to the square root of nine times negative one is equal to the square root of nine times the square root of negative one. The square root of negative one represented by an italic lower case i. The square root of negative nine is 3i. √-9 = √9 * -1 = √9 * √-1 = 3i

4 square root of -9 = 4 square root of (-1)(9) = 4 square root of (i29) = 4(3i) = 12i

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9

3i and or -3i

Square root of 9: 3Square root of -81: 9i The product of both is 27i

No - a square root of a negative number is an imaginary number. for example, sqrt(-9) is equal to 3i.

Yes. -9 (that is, negative 9)

There is no square root for a negative number. It is an imaginary number.

The square roots of -81 are ±9i where i is the imaginary square root of -1.

Nothing. You cannot have a square root of a negative number. The square root of negative one is called i, but i is an imaginary number. It does not exist and does not follow the properties of real numbers. (For example, if a and b are positive, then the square root of a times the square root of b is the square root of ab. But the square root of -7 is not the square root of 7 times i.)

The usual rules for "order of operation" apply. Don't forget that the square root of a negative number is an imaginary number. As an example, the square root of -9 is 3i (that is, the square root of +9, times the "imaginary unit").

The square root of a negative number is not real.

square root of a negative number is imaginary square root of negative 1 is defined as i square root of negative 144 is sqrt ((144)(-1)) = 12i

one was irrational; one kept on repeating himself; one was unreal

-1/9

It is -10/9

81 because there are no negative square roots

Yes it is an imaginary number

Square roots of negative numbers are what are called imaginary numbers. The building block of imaginary numbers is the symbol i which is defined as the square root of negative 1. The square root of other negative numbers can be expressed using i. For example, the square root of negative sixteen is 4i, the square root of negative nine is 3i and so on.

-1,0,or 1 the negative square root of four is negative two and the square root of four is two

9

i is the symbol for an imaginary number, a complex number with the property i2=-1. The square root of a negative number is the square root times i. For example, the square root of -9 = 3i.

The square root of 100 is 10 but positive and a negative is a negative so it is negative 10

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