SOLUTION: write a rule for thrnth term of the arithmetic sequence....
a6=-31,a14=-135
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Question 613049: write a rule for thrnth term of the arithmetic sequence....
a6=-31,a14=-135
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
there are 8 terms from a6 to a14; the difference is -104 (-135 - -31)
___ so the common difference between two consecutive terms is -13 (-104 / 8)
an = -13n + ?
substitute to find the "fudge factor" ___ a6 = -13(6) + ? ___ -31 = -78 + ? ___ 47 = ?
an = -13n + 47
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