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Maths, nth terms

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Cookaburra | 20:32 Sat 13th Oct 2007 | Science
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Trying to solve this quadratic sequence, i believe it is right, but i can't quiet manage it.
The sequence is;
8, 15, 24, 35, 48, 63.
If anyone can help i would be very happy.
xXx
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Avatar Image Metz
80
20:37 Sat 13th Oct 2007
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Sorry i should have been clearer, I know how the sequence is increasing, I just can't work out the nth term, to know what is going to happen a100 numbers on without having to add on.
20:42 Sat 13th Oct 2007
Avatar Image kwicky
This may explain the quadratic sequence

http://www.bbc.co.uk/schools/gcsebitesize/math s/numberih/sequenceshrev2.shtml
21:01 Sat 13th Oct 2007
Avatar Image Cookaburra
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Thank you. It did, I had forgotten that you had to half the second difference.
xXx
21:07 Sat 13th Oct 2007

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