Write an Expression for the Nth Term of the Geometric $a _ { 1 } = 6 , r = - \frac { 1 } { 5 } , n = 12$

question 345

Multiple Choice

Write an expression for the nth term of the geometric sequence.Then find the indicated term. $a _ { 1 } = 6 , r = - \frac { 1 } { 5 } , n = 12$

• A) \(a _ { n } = 6 \left( - \frac { 1 } { 5 } \right) ^ { n - 1 }\) , \(\frac { 6 } { 48,828,125 }\)
• B) \(a _ { n } = 5 \left( - \frac { 1 } { 2 } \right) ^ { n + 1 }\) , \(\frac { 6 } { 48,828,125 }\)
• C) \(a _ { n } = 6 \left( - \frac { 1 } { 5 } \right) ^ { n + 1 }\) , \(\frac { 6 } { 48,828,125 }\)
• D) \(a _ { n } = \left( \frac { 1 } { 2 } \right) ^ { n - 1 }\) , \(\frac { 6 } { 48,828,125 }\)
• E) \(a _ { n } = 5 \left( - \frac { 1 } { 4 } \right) ^ { n - 1 }\) , \(\frac { 6 } { 48,828,125 }\)

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