Write the First Four Terms of the Geometric Sequence $a _ { 1 } = - \frac { 1 } { 2 }$

question 269

Multiple Choice

Write the first four terms of the geometric sequence.
- $a _ { 1 } = - \frac { 1 } { 2 }$ and $r = - \frac { 1 } { 3 }$ .

• A) \(- \frac { 1 } { 2 } , - \frac { 1 } { 6 } , - \frac { 1 } { 18 } , - \frac { 1 } { 54 } , \ldots\)
• B) \(- \frac { 1 } { 2 } , \frac { 3 } { 2 } , - \frac { 9 } { 2 } , \frac { - 27 } { 2 } , \ldots\)
• C) \(- \frac { 1 } { 2 } , - \frac { 3 } { 2 } , - \frac { 9 } { 2 } , - \frac { - 27 } { 2 } , \ldots\)
• D) \(- \frac { 1 } { 2 } , \frac { 1 } { 6 } , - \frac { 1 } { 18 } , \frac { 1 } { 54 } , \ldots\)

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