Which of the following is equivalent to the expression below?
-98

Answer:
7i sqrt(2)
Step-by-step explanation:
sqrt(-98)
We know that sqrt( ab) = sqrt(a) sqrt(b)
sqrt(-1) sqrt(98)
The sqrt (-1) = i
i sqrt(98)
i sqrt(49) sqrt(2)
i*7* sqrt(2)
7i sqrt(2)