SOLUTION: Write a recursive rule for the sequence 36,18,9.... Thanks

Question 501801: Write a recursive rule for the sequence 36,18,9....
Thanks
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
The recursive rule is

$\huge \dpi{150} a_{n} = \frac{a_{n-1}}{2}$

Basically, to find the nth term $\LARGE \inline \dpi{120} a_{n}$ , you divide the previous term $\LARGE \inline \dpi{120} a_{n-1}$ by 2 (ie you're cutting the previous term in half)

We can see this as 36 jumps to 18 (it cuts in half since 36/2 = 18) and similarly when 18 jumps to 9 (again, 18/2 = 9)
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