Question 577453: Find the eighth term of a sequence that has a first term of 12 and a common difference of 3. I don't get this at all.
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Find the eighth term of a sequence that has a first
term of 12 and a common difference of 3.
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12,15,18, etc
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a(n) = a(1) + (n-1)d
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a(8) = 12 + (7*3)
= 12 + 21
= 33
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Cheers,
Stan H.
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