SOLUTION: Here are the first five terms of a sequence: 2,2,0,,-4,-10 An expression for the nth term of this sequence is 3n-n^2 Write down, in terms of n,an expression for the nth term o

Question 924484: Here are the first five terms of a sequence:
2,2,0,,-4,-10
An expression for the nth term of this sequence is 3n-n^2
Write down, in terms of n,an expression for the nth term of a sequence whose first five terms are:
4,4,0,-8,-20
Please help :)
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
,,,,
all given terms are divisible by , and as you see all are times the terms ,,,,
then we can multiply by and we get
-this is nth term
check if this formula for nth term gives you ,,,,

but, I like higher degree first, and if you multiply by , you get
-this is nth term too
check:

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