SOLUTION: HELP PLEASE!! What is the rule for the nth term : d = -12 and a(subscript 1) = 80 Thanks very much llo

Algebra ->  Sequences-and-series -> SOLUTION: HELP PLEASE!! What is the rule for the nth term : d = -12 and a(subscript 1) = 80 Thanks very much llo      Log On


   

Question 100630: HELP PLEASE!!
What is the rule for the nth term :
d = -12 and a(subscript 1) = 80
Thanks very much
llo
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
What is the rule for the nth term :
d = -12 and a(subscript 1) = 80
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General Rule: a(n)= a(1)+(n-1)d
Your Problem:
a(n)=80+(n-1)*(-12)
a(n)=80-12n+12
a(n)=-12n+92
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Cheers,
Stan H.