# Sequence 3

Write the first 5 members of an arithmetic sequence: a4=-35, a11=-105.

Correct result:

a1 =  -5
a2 =  -15
a3 =  -25
a4 =  -35
a5 =  -45

#### Solution:

${a}_{2}={a}_{1}-10=-15$
${a}_{3}={a}_{2}-10=-25$
${a}_{4}={a}_{3}-10=-35$
${a}_{5}={a}_{4}-10=-45$

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