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10 cards from this deck
Starting value + rule for finding next term
t0=a,tn+1=tn+Dt_0 = a, t_{n+1} = t_n + Dt0=a,tn+1=tn+D
Starting value (initial term)
Common difference
tn=a+nDt_n = a + nDtn=a+nD
Term number (0, 1, 2, 3...)
Sequence increases
Sequence decreases
D=−2D = -2D=−2
First term of sequence
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