Write the Number in Standard Form a + Bi $$\frac { 6 - \sqrt { - 28 } } { 2 }$$

Multiple Choice

Write the number in standard form a + bi.
- $$\frac { 6 - \sqrt { - 28 } } { 2 }$$

A) $3 - i \sqrt { 7 }$
B) $3 + i \sqrt { 14 }$
C) $3 - 2 i \sqrt { 7 }$
D) $3 - \mathrm { i } \sqrt { 14 }$