SOLUTION: Two terms of an arithmetic sequence are a8 =76 and a28=96 find a rule for the nth term
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Question 294448: Two terms of an arithmetic sequence are a8 =76 and a28=96 find a rule for the nth term
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
In general,
Find a1 and d,
1.
2.
From eq. 1,
Substitute into eq. 2,
Then from eq. 1,
So then the rule becomes,
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