# Write the first six terms of the arithmetic sequence a_{n}=a_{n-1}+4, a_{1}=-7

Write the first six terms of the arithmetic sequence ${a}_{n}={a}_{n-1}+4,{a}_{1}=-7$
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Maciej Morrow
Step 1
Given:
${a}_{1}=-7,{a}_{n}={a}_{n-1}+4$
To find first six terms.
Step 2
From
and
we get
${a}_{2}={a}_{1}+4$
$=-7+4$
$=-3$
${a}_{3}=1$
${a}_{4}=5$
${a}_{5}=9$
${a}_{6}=13.$
Therefore first six terms are
Jeffrey Jordon