Asked by Elizabeth
What is the next number in the pattern?
80, 74, 63, 53....
80, 74, 63, 53....
Answers
Answered by
oobleck
well, one choice is 62, if the nth term is
1/2 (2n^3 - 15n^2 + 19n + 154)
If you're looking for something simpler, I suspect a typo.
1/2 (2n^3 - 15n^2 + 19n + 154)
If you're looking for something simpler, I suspect a typo.
Answered by
Reiny
Using the given values, and assuming we can represent it as a cubic, I got
term(n) = (2n^3 - 17n^2 + 25n + 150)/2
and term(5) = 50
Using obblecks expression I get
term(3) = 65 , not 63
term(4) = 59 , not 53
I suspect a transcribe error.
term(n) = (2n^3 - 17n^2 + 25n + 150)/2
and term(5) = 50
Using obblecks expression I get
term(3) = 65 , not 63
term(4) = 59 , not 53
I suspect a transcribe error.
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