Use the following to answer questions :
a n = (-1) n (n + 1)
-Find the 20th term.
A) 21
B) -21
C) 20
D) -20

Name: Use the following to answer questions : a n = (-1) n (n + 1) -Find the 20th term. A) 21 B) -21 C) 20 D) -20
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Question

Use the following to answer questions :
a n = (-1) n  (n + 1)
-Find the 20th term.
A) 21
B) -21
C) 20
D) -20

Quizplus · Accepted Answer

The given sequence is a pattern where each term is the negative of the previous term plus one. Starting from the first term, which is 1, the sequence alternates between positive and negative values, increasing by 1 each time. The 20th term is positive and equals 21.

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