Write a formula for the general term, or nth term, for the given sequence.
--3, 9, -27, 81, . . .
A) $a _ { n } = - 3 + ( - 3 ) ^ { n }$
B) $a _ { n } = - 9 ^{n - 1}$
C) $a _ { n } = - 3 ( - 3 ) ^ { n - 1 }$
D) $a _ { n } = - 3 ( - 3 ) ^ { n }$

Question

Write a formula for the general term, or nth term, for the given sequence.
--3, 9, -27, 81, . . . 
A) $a _ { n } = - 3 + ( - 3 ) ^ { n }$
B) $a _ { n } = - 9 ^{n - 1}$
C) $a _ { n } = - 3 ( - 3 ) ^ { n - 1 }$
D) $a _ { n } = - 3 ( - 3 ) ^ { n }$

Quizplus · Accepted Answer

The Answer is C

Write a Formula for the General Term, or Nth Term an=−3+(−3)na _ { n } = - 3 + ( - 3 ) ^ { n }an​=−3+(−3)n

Write a Formula for the General Term, or Nth Term $a _ { n } = - 3 + ( - 3 ) ^ { n }$