Write the Complex Conjugate of the Complex Number $\sqrt { - 25 }$

Multiple Choice

Write the complex conjugate of the complex number. Then multiply the number by its complex conjugate. $\sqrt { - 25 }$

A) $- i , 25$
B) $- 5 i , 25$
C) $5 i , 25$
D) $625 i , 25$
E) $- 24 i , 25$