+0  
 
0
50
1
avatar

What is the 84th term of the arithmetic sequence? −1286,−1269,−1252,−1235,−1218,...

 Jan 23, 2020
 #1
avatar
0

Use the nth term fotmula to find the 84th term:

 

Nth term = F + D*(N - 1), where F=First term, D= Common difference, N=the nth term

                  = -1286 + 17*(84 - 1)

                  = -1286 + 17*83

                  = -1286 + 1,411

The 84th term = 125

 Jan 24, 2020

10 Online Users