Kaitlyn's blogg

In this blog, i will go over chapter 13-1. This section was really easy for me because it deals with arithmatic and geometric sequences.

Arithmatic- when you add to get the next term

formula: tn=t1+(n-1)d

Geometric-when you multiply to get the next term

formula: tn=t1 x r^n-1

Examples: 2,7,12,17.........find a formula for the nth term
-tn=2+(n-1)5
-tn=2+5n-5
-tn=-3+5n <-----answer

Examples: 5,10,20,40...is this sequence geometric or arithmatic?
-10/5=2
-20/10=2
-40/20=2
geometic <-----answer

This section cant really get confusing, because its pretty straightforward. I'm sure that the following chapters will end up getting more complicated and confusing thoughhh
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