# Sequence

Write the first 7 members of an arithmetic sequence: a1=8, d=-9.

Result

a1 =  8
a2 =  -1
a3 =  -10
a4 =  -19
a5 =  -28
a6 =  -37
a7 =  -46

#### Solution:

$$\smash{ a_1 = 8 \\~\\a_2 = a_1-9 = -1 \\~\\a_3 = a_2-9 = -10 \\~\\a_4 = a_3-9 = -19 \\~\\a_5 = a_4-9 = -28 \\~\\a_6 = a_5-9 = -37 \\~\\a_7 = a_6-9 = -46 }$$

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