Q: What is the square root of negative 81?

Write your answer...

Submit

Still have questions?

Continue Learning about Math & Arithmetic

9

Square roots can be positive or negative. 9 x 9 = 81 -9 x -9 = 81 9 is the positive square root of 81.

The square root of -81 = 9 i9i

The square root of 81 is 9

The square root of 6561 is 81

Related questions

9

No. The square root of 81/(-3) is rational. The square root of [81/(-3)] is imaginary (a kind of complex number).

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

Since it is the square root of a negative number, it is actually imaginary, neither rational nor irrational. It is equal to 9i, or 9 times whatever the square root of negative one is.square root of -81 = square root of 81 times i = 9i

x2=-81take the square root of both sidessince 81 is negative you need to take 81 times i when i=-1 then solve as the square root of 81. your answer is x=9i

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

Square roots can be positive or negative. 9 x 9 = 81 -9 x -9 = 81 9 is the positive square root of 81.

-1/9

It is -10/9

81 because there are no negative square roots

81 is the square root and 9.5 is under root.

The square root of -81 = 9 i9i