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170,85,0,-85 find explicit formula for the arithmetic sequence

170,85,0,-85 find explicit formula for the arithmetic sequence
asked 228k views
0 votes
170,85,0,-85 find explicit formula for the arithmetic sequence

asked
User Vlad
by
8.5k points

2 Answers

4 votes
An= A1 + d(n-1)
An= 170 + (-85)(n-1)
An=170-85(n-1)
An= 170-85n+85

Answer: An=255-85n
answered
User RedFred
by
7.8k points
4 votes

Answer:

85 ( 3 - n )

Explanation:

tell if wrong

answered
User Richrad
by
7.8k points
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