Write the Word or Phrase That Best Completes Each Statement $\sqrt { - 49 }$

Multiple Choice

Write the word or phrase that best completes each statement or answers the question.
Provide an appropriate response.
- $\sqrt { - 49 }$

A) $7 \mathrm { i }$
B) $\pm 7$
C) $- 7 \mathrm { i }$
D) $\mathrm { i } \sqrt { 7 }$