Saturday

March 28, 2015

March 28, 2015

Posted by **dgibson** on Sunday, September 3, 2006 at 5:56pm.

where a is a positive integer. Is the eight term positive or negative? explain

So the sequence could be seen as

{a/b^(n-1): n=1,2,3...}

I hope you can see that the sign of each term will depend on the sign of b. If b is negative, then the signs for the terms will alternate.

You should also see that the odd terms of the sequence have b to an even power and the even ones have it to and odd power. Thus the answer would be whatever the sign of b is for the 8-th term. Does this make sense?

please could u tell me the nth term to term rule in 0,1,3,6,10,15,21

Thank very much

**Answer this Question**

**Related Questions**

Math - Penn writes a 2013-term arithmetic sequence of positive integers, and ...

Math - Penn writes a 2013-term arithmetic sequence of positive integers, and ...

Math *URGENT - Please give the answers and solutions for each. 1.If the second ...

MATH!! - ~Determine whether each sequence is arithmetic or geometric fund the ...

Math for Educators - The first difference of a sequence is 8, 12, 16, 20,... The...

Maths - is it possible to find a sequence with the ruleadd four for wich all ...

math30 - Sequences 1)A sequence has a first term of 24 and every other term is ...

math - in an arithmetic sequence the common difference is equal to 2.the first ...

Further mathematics - An exponential sequence of positive terms and a linear ...

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