SOLUTION: Find the 24th term of the arithmetic sequence whose common difference is 2 and whose first term is 4.

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Question 750752: Find the 24th term of the arithmetic sequence whose common difference is 2 and whose first term is 4.
Answer by timvanswearingen(106) About Me  (Show Source):
You can put this solution on YOUR website!
The formula you need is this:
a%5Bn%5D=a%5B1%5D%2B%28n-1%29d
From the problem:
a%5B1%5D=4
n=24
d=2
So here we go:
a%5Bn%5D=a%5B1%5D%2B%28n-1%29d
a%5B24%5D=4%2B%2824-1%29%2A2
a%5B24%5D=4%2B%2823%29%2A2
a%5B24%5D=4%2B46
a%5B24%5D=50