Write the Number as the Product of a Real Number $- \sqrt { - 25 }$

Multiple Choice

Write the number as the product of a real number and i.
- $- \sqrt { - 25 }$

A) i $\sqrt { 25 }$
B) $- 5 \mathrm { i }$
C) 5
D) $5 \mathrm { i }$