Which of the following expressions would give a sequence with a first term of 2 and a common difference of 5?
2n - 5
2 - 5n
5n - 3
5n + 2
I think It is A, If I have it wrong, please explain why (WITH ANSWER)
Stacey Warren - Expert brainly.com
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but how is it 2n-5? explain.
dont just give the answer
ok there are many explanation to this but here's mine if we let n=1 we would get 2*1-5 so the first term would be 2 and well a difference mean a negative of a# so we get -5 ...thats how i look at it...but im sure there many other ways too...
Actually you're wrong.
I turned it in and it was wrong.
wow its must be 2-5n then?
yes it is 2-5n.
common difference always includes the variable. which comes out to 2 which is the singular term and then - because its common difference then 5 which is the difference and n because its the remaining variable. done.