SOLUTION: Find the first term, the common difference, and give a recursive formula do arithmetic sequence. 6th term is -10; 15 term is -46

Algebra.Com
Question 1059619: Find the first term, the common difference, and give a recursive formula do arithmetic sequence. 6th term is -10; 15 term is -46
Answer by Boreal(15235)   (Show Source): You can put this solution on YOUR website!
s6=-10
s15=-46
change of -36 in 9 terms, and the difference is -4.
s1 is 4(6) greater than s6 or -10+24=14
sn=14-4*n
First term is 14, common difference is -4

RELATED QUESTIONS

An arithmetic sequence has a common difference equal to 10 and its 6th term is equal to... (answered by stanbon)
Find the first term and the common difference of the arithmetic sequence whose 7th term (answered by ikleyn)
find the first term of arithmetic sequence with a common difference of 11 and whose 27th... (answered by Edwin McCravy)
Find the second term of an arithmetic sequence is 10 and the 5th term is 25. Find the... (answered by ikleyn)
The first term of the sequence is -2 and the fifth term is -1/8. List 4 things you know.... (answered by richwmiller)
Find the first term, the common difference, and the nth term of the arithmetic sequence... (answered by htmentor)
1.Write in sigma notation: 0+3+8+15+24+35+48 2. Find the 10th term of the arithmetic... (answered by htmentor)
Please help me solve this question: In an arithmetic progression,the 6th term is twice... (answered by solver91311)
In an arithmetic sequence the first term is -12 and the 15th term is 135. Find the common (answered by srinivas.g)