SOLUTION: How do I figure the expression for this sequence: 8, 10, 12, 14...
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Question 733901: How do I figure the expression for this sequence: 8, 10, 12, 14...
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Common Difference: d = 2 (since 10-8 = 2, 12-10 = 2, etc etc)
First term: a1 = 8
nth term
an = a1 + d(n-1)
an = 8 + 2(n-1)
an = 8 + 2n-2
an = 2n + 6
So if n starts at n = 1, then the nth term is 2n + 6
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