The First Several Terms of a Sequence Are Given $$- \frac { 1 } { 2 } , \frac { 1 } { 4 } , - \frac { 1 } { 8 } , \frac { 1 } { 16 } , \ldots ; S _ { 5 }$$

question 42

Multiple Choice

The first several terms of a sequence are given. Find the indicated partial sum.
- $$- \frac { 1 } { 2 } , \frac { 1 } { 4 } , - \frac { 1 } { 8 } , \frac { 1 } { 16 } , \ldots ; S _ { 5 }$$

• A) \(- \frac { 15 } { 64 }\)
• B) \(- \frac { 21 } { 64 }\)
• C) \(- \frac { 11 } { 32 }\)
• D) \(- \frac { 1 } { 32 }\)