Find a formula for the nth term of the sequence.
-0, 2, 0, 2, 0 (alternating 0's and 2's)
A) $a _ { n } = 1 + ( - 1 ) ^ { n }$
B) $a _ { n } = 1 - ( - 1 ) ^ { n }$
C) $a _ { n } = 1 + ( - 1 ) ^ { n - 1 }$
D) $a _ { n } = 1 + ( - 1 ) ^ { n + 1 }$

Question

Find a formula for the nth term of the sequence.
-0, 2, 0, 2, 0 (alternating 0's and 2's) 
A) $a _ { n } = 1 + ( - 1 ) ^ { n }$
B) $a _ { n } = 1 - ( - 1 ) ^ { n }$
C) $a _ { n } = 1 + ( - 1 ) ^ { n - 1 }$
D) $a _ { n } = 1 + ( - 1 ) ^ { n + 1 }$

Quizplus · Accepted Answer

The sequence alternates between 0 and 2, so the nth term can be expressed as $a _ { n } = 1 + ( - 1 ) ^ { n }$.

Find a Formula for the Nth Term of the Sequence an=1+(−1)na _ { n } = 1 + ( - 1 ) ^ { n }an​=1+(−1)n

Find a Formula for the Nth Term of the Sequence $a _ { n } = 1 + ( - 1 ) ^ { n }$