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Write the First Four Terms of the Geometric Sequence a1=12a _ { 1 } = - \frac { 1 } { 2 }

Question 269

Multiple Choice

Write the first four terms of the geometric sequence.
- a1=12a _ { 1 } = - \frac { 1 } { 2 } and r=13r = - \frac { 1 } { 3 } .


A) 12,16,118,154,- \frac { 1 } { 2 } , - \frac { 1 } { 6 } , - \frac { 1 } { 18 } , - \frac { 1 } { 54 } , \ldots
B) 12,32,92,272,- \frac { 1 } { 2 } , \frac { 3 } { 2 } , - \frac { 9 } { 2 } , \frac { - 27 } { 2 } , \ldots
C) 12,32,92,272,- \frac { 1 } { 2 } , - \frac { 3 } { 2 } , - \frac { 9 } { 2 } , - \frac { - 27 } { 2 } , \ldots
D) 12,16,118,154,- \frac { 1 } { 2 } , \frac { 1 } { 6 } , - \frac { 1 } { 18 } , \frac { 1 } { 54 } , \ldots

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