Given an arithmetic sequence with d = -7 and a<sub>7</sub> = 1, find a<sub>22</sub>. a<sub>22</sub> =
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To find the value of a1, we can use the formula for the nth term of an arithmetic sequence: an = a1 + (n-1)d. We are given that a7 = 1, so we can substitute n = 7 and a7 = 1 into the formula: 1 = a1 + (7-1)7 1 = a1 + 6*7 1 = a1 + 42 Subtracting 42 from both sides, Show more…
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