Question

Find negative square root of 36.
A. ± 6
B. −6
C. 6
D. 18

Answer 1

For this case we have the following expression:

`- \sqrt {36}`

We know that the number 36 can be rewritten as:

`36 = 6 * 6\\36 = 6 ^ 2`

We can rewrite the expression as follows:

`- \sqrt {36} = - \sqrt {6 ^ 2}`

Then, taking the square root we have:

`-\sqrt {36} = - 6`

Answer:

negative square root of 36 is:

B. -6