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Mathematics 7 Online
OpenStudy (anonymous):

Find an equation for the nth term of the arithmetic sequence. a19 = -92, a20 = 6

OpenStudy (anonymous):

@jim_thompson5910

OpenStudy (solomonzelman):

can you tell me the difference at first ?

OpenStudy (anonymous):

no

OpenStudy (solomonzelman):

Well, what do you do to get from the 19th term (which is -92) to the 20th term (which is 6) ?

OpenStudy (solomonzelman):

What do you add/subtract ?

OpenStudy (anonymous):

isnt it the 1st term

OpenStudy (solomonzelman):

you sad a19=-92 in other words, nineteenth term=-92 and a20=6 in other words, twentieth term=6

OpenStudy (solomonzelman):

you said.... (not sad)

OpenStudy (anonymous):

okay so an = -1856 - 98(n + 1

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