d
a1
n
a1+(n-1)d
©Ms Garcia Math
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Arithmetic Sequences Problems
?
In an arithmetic sequence
Explicit Formula
a₁,a₁+d, a₁+2d, a₁+3d, ..
.a₁+(n -1) d
a
n = a₁+(n-1)d
a₁ is the first term, d is the common difference.
Finding the nth Term of an Arithmetic Sequence. an = a₁+(n-1)d
n
an
1)
a
₁ =
d =
th term =
2)
a
₁ =
d =
th term =
3)
a
₁ =
d =
th term =
4)
a
₁ =
d =
th term =
5)
a
₁ =
d =
th term =