Homework Help: math sequence and series

Posted by Abdela said yimer on Saturday, January 21, 2012 at 6:42pm.

In an arthmetic sequence, the fourth term is 84 and the tenth term is 60. Find the maximum possible partial sum.

math sequence and series - Steve, Sunday, January 22, 2012 at 11:11am
a+3d = 84
a+9d = 60
-6d = 24
d = -4
a = 96

Since the terms decrease, the maximum partial sum is just the first term: 96

Related Questions

Arithmetic Sequence - Given the third term of an arithmetic sequence less than ...
Math - 3,5,-5... The first term in the sequence of #'s shown above is 3. ...
Math - A sequence is formed by adding together the corresponding terms of a ...
Math - In a geometric sequence, the fourth term is -4, and the eighth term is -...
Core mathematics - The 4th term of an A.P.is 37 and the 6th term is 12 more than...
math - the first term of a sequence of numbers is 4. each term after the first ...
Mathematics : Arithmetic Sequence - The 5th term and the 8th term of an ...
arthmetic - in an arthmetic progression or series,the 13th term is 27 and the ...
math30 - Sequences 1)A sequence has a first term of 24 and every other term is ...
Geometric Sequence - Find the fourth term (a4) of geometric sequence if the ...

For Further Reading

First Name:
School Subject:
Answer: