Which of the following shows /-25 simplified and written as a complex number

Answer:
0 + 5i
Step-by-step explanation:
A complex number is of the form
a + bi
√(-25) = √[(-1)(25)] = i × 5 = 5i
To write 5i as a complex number, the real part is 0, so a = 0, so you get
0 + 5i