Question 96181
if the first differences of a sequence are a constant -7 and the third term is 15, find the first 5 terms of the sequence
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Given:
3rd term = 15
2nd term = x
EQUATION:
3rd - 2nd = -7
15 - 2nd = -7
2nd = 22
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Sequence so far:
1st: ?
2nd: 22
3rd: 15
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EQUATION:
22-? = -7
? = 29
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Sequence:
29,22,15,8,1
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Cheers,
Stan H.