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vivianrush
Group Title
Find the 50th term of the sequence 5, –2, –9, –16, ...
–352
–343
–338
–331
 one year ago
 one year ago
vivianrush Group Title
Find the 50th term of the sequence 5, –2, –9, –16, ... –352 –343 –338 –331
 one year ago
 one year ago

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LilHefner3 Group TitleBest ResponseYou've already chosen the best response.1
5. Find the 50th term of the sequence 5, –2, –9, –16, ... (1 point) (0 pts) –352 (0 pts) –343 (1 pt) –338 (0 pts) –331 1 /1 point
 one year ago

campbell_st Group TitleBest ResponseYou've already chosen the best response.1
ok... the sequence is arithmetic so use the formula for a term in an arthmetic sequence \[T_{n} = a + (n  1) d\] a= 1st term, n = number of terms d = common difference so \[T_{50} = 5 + (50 1) \times (7)\] just evaluate for the answer
 one year ago

heathernelly Group TitleBest ResponseYou've already chosen the best response.1
a1 would be the first term(5) nth term = 50 an=a1+(n1)(d) a50=5+(501)(7) a50=57(49)= 338
 one year ago
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