Sequences Flashcards
1
Q
arithmetic sequence rule
A
Tn = T1+ (term position-1)x common difference
2
Q
geometric sequence rule
A
T1 x common ratio to the power of (term position - 1)
3
Q
Sum of arithmetic
A
term position/2 (2x T1+ (term position -1) x common difference)
4
Q
sum of geometric
A
sum = T1 x (1- ratio to power of termposition)/
1- ratio
5
Q
when you solve the nth term
A
always put it into the calculator to check it
6
Q
A