The arithmetic sequence is .
The first term .
Find the common difference by subtracting successive terms.
\The common difference (d) is 2.
Find the nth term, so using the nth term formula: .
(Substitute
, and d = 2)
Distribute terms using distributive property: .
Apply commutative property of addition: a + b = b + a.
\ (Subtract:
)
Find the 10th term in the sequence.
\ (Substitute n = 10)
(Multiply:
)
(Apply additive inverse property:
)
Make a table first five terms of the sequence .
\
n \ | \
\
an = 2n | \
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an \ | \
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(n, an) \ | \
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1 \ | \
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(1, | \
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2 \ | \
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(2, | \
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3 \ | \
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(3, | \
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4 \ | \
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(4, | \
5 | \ \
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![]() | \
(5, ![]() | \
Graph of the first five terms of the sequence .
Graph of the first five terms of the sequence .