Please Help ASAP! Simplify roots of negative numbers. Express your answer in simplified form.

Step-by-step explanation:

We can rewrite the square root of negative 18 as . We can evaluate these two quantities separately. The square root of 18 can be factored to get 3 squared times 2. We can take the 3 out to get . Now, the square root of negative one can be rewritten as , so this is equal to

is only a line? i think so

where is the option given