Ask Question
27 December, 07:23

Given the following sequence, find the 15th term: 3,1,-1,-3,-5

+3
Answers (2)
  1. 27 December, 07:33
    0
    -25 just subtract 2 everytime
  2. 27 December, 07:44
    0
    3, 1,-1, - 3, - 5

    -2 - 2 - 2 - 2

    a (n) = a₁ + d (n - 1)

    a (n) = 3 - 2 (n - 1)

    a (n) = 3 - 2 (n) + 2 (1)

    a (n) = 3 - 2n + 2

    a (n) = - 2n + 3 + 2

    a (n) = - 2n + 5

    a (n) = - 2n + 5

    a₁₅ = - 2 (15) + 5

    a₁₅ = - 30 + 5

    a₁₅ = - 25
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Given the following sequence, find the 15th term: 3,1,-1,-3,-5 ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers