What expression shows the relationship between the value of any term and n, its position in the sequence for the given sequence?
-5, -8, -11, -14, -17, ...
1 answer:
Ok, so it adds -3 each time
first term is -5
an=a1+d(n-1)
a1=first term
d=common difference
given
firs term=-5=a1
common difference=-3=d
an=-5-3(n-1) or
an=-5-3n+3=-2-3n
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