SOLUTION: hi i cant seem to work out how to get the formulas that contains n. terms 1 2 3 4 5 6 7 8 9 n sequences 10 40 90 160 250 36

Question 79402: hi i cant seem to work out how to get the formulas that contains n.
terms 1 2 3 4 5 6 7 8 9 n
sequences 10 40 90 160 250 360 490 640 810
1st diff 30 50 70 90 110 130 150 170
2nd diff 20 20 20 20 20 20 20
and thats as far as i can go how do i get the rest of the answer
Answer by CubeyThePenguin(3113) (Show Source): You can put this solution on YOUR website!
The nth term is equal to 10n^2.
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