SOLUTION: if th 10th of an AP is double the 2nd find the 8th term given that a=7

Algebra.Com
Question 1117673: if th 10th of an AP is double the 2nd find the 8th term given that a=7
Found 2 solutions by ikleyn, josgarithmetic:
Answer by ikleyn(52790)   (Show Source): You can put this solution on YOUR website!
.
Given that  WHAT ?


What this   "a=7"  means  and  how does it relate to the rest of the text ?

As this post is presented, it does not make sense.



Answer by josgarithmetic(39618)   (Show Source): You can put this solution on YOUR website!
-------------------------------------------------------------------------
if th 10th of an AP is double the 2nd find the 8th term given that a=7
--------------------------------------------------------------------------


---
If thE 10th TERM of an AP is double the 2nd, find the 8th term given that a=7.
---

General term, , for difference d and index n







-------common difference to get each successive term

Revising the general term, .

FIND THE 8TH TERM
let n equal to 8.
RELATED QUESTIONS

If the 8th term of an arithmetic progression is double the 13th term.Prove that 2nd term... (answered by lynnlo)
Given that for an AP seventh term is equal to 43,nth term and 2nd term is equal to... (answered by ewatrrr,richwmiller)
If the 10th term of an AP is 52 and the 17th term is 20 more than the 13th term,find the... (answered by oscargut)
The sum of the 1st and 2nd terms of an AP is 4 and the 10th term is 19 Find d sum of the (answered by greenestamps,ikleyn)
the 5th and 10th terms of an AP are -12 and -27 respectively. find the AP and is 15th... (answered by stanbon)
If the 6th term of an AP is -10 and 10th term is -26. Determine the 15th term of an... (answered by josgarithmetic,TeachMath)
Find the first term & common difference if: 10th term is 35;15th terms is 55 2nd term... (answered by ikleyn)
The third term of an AP is ten more than the first term while the fifth term is 15 more... (answered by Edwin McCravy)
Hai Sir, please help me on this problem, i could find the soultion If (m+1)th term of... (answered by stanbon)