SOLUTION: The numbers of a given pattern is 3,5,9,15.... and the pattern rule is start with 3, add 2 and add 2 more each time. Create an algebraic expression for the 100th term.

Question 388312: The numbers of a given pattern is 3,5,9,15.... and the pattern rule is start with 3, add 2 and add 2 more each time. Create an algebraic expression for the 100th term.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The numbers of a given pattern is 3,5,9,15.... and the pattern rule is start with 3, add 2 and add 2 more each time. Create an algebraic expression for the 100th term.
------
a(1) = 3
a(2) = 3+2
a(3) = 3+2*2
a(4) = 3+3*2
---
...
a(100) = 3+99*2
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Cheers,
Stan H.
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