Sunday

April 20, 2014

April 20, 2014

Posted by **jeffrey** on Sunday, April 19, 2009 at 11:37pm.

3/2,1/2, 1/6,1/8,...

I need to determine if this sequence is arithmetic, geometric, or neither, then I need to find the ninth term

- algebra -
**Reiny**, Monday, April 20, 2009 at 8:10amis (1/2) - (3/2) = (1/6)-(1/2)

if yes, then arithmetic, but it isn't.

is (1/2) ÷ (3/2) = (1/6)÷(1/2)

if yes, then geometric

1/2 ÷ 3/2 = 1/3

(1/6)÷(1/2) = 1/3

but

(1/8) ÷ (1/6) = .75 (no good)

so the sequence is neither arithmetic nor geometric.

**Related Questions**

algebra - I need help!!! 3/2,1/2, 1/6,1/8,... I need to determine if this ...

algebra - Determine whether each sequence is arithmetic or geometric. Find the ...

7th Grade Math for Steve.. or Ms. Sue - Determine whether each sequence is ...

Algebra - Determine whether each sequence is arithmetic or geometric. Find the ...

8th grade math!!!!! :) - Determine whether each sequence is arithmetic or ...

math... - how can I tell if a sequences is airthmetic, geometric or neither? ...

Algebra 2 - Determine if the sequence is arithmetic, geometric, or neither. If ...

Maths - 1..The first 2 terms of a geometric progression are the same as the ...

Math - A sequence is formed by adding together the corresponding terms of a ...

algebra - I have 3 questions I need help with. 1) what is the 15th term of the ...