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Write an equation for the nth term of the arithmetic sequence

2,4,6,8,...

Write an equation for the nth term of the arithmetic sequence 2,4,6,8,...-example-1
User James Irwin
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1 Answer

10 votes
10 votes

Explanation:

dn means the difference (meaning what do you add/subtract to get the next number)

T0 means the term before the first one you got.

Tn = dn + T0

Tn = 2n + 0

Therefore our equation will be

Tn = 2n

Or in your case

An= 2n

User Nhan Cao
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