An arithmetic sequence has first term 987 and common difference −14 − 14 . Which term of the sequence is 273?

Answer 1

An arithmetic sequence has first term 987 and common difference −14 − 14 . Which term of the sequence is 273?

Using A_n=A₁+(n-1)d

273 = 987 +(n-1)*(-14) solve for n

-714 = -14(n-1)

51 = n-1

n = 52

Answer: The 52nd term of the sequence is 273