SOLUTION: the fifth and eighth terms of a sequence of real numbers are 7 and 8. What is the first term?

Algebra.Com
Question 900663: the fifth and eighth terms of a sequence of real numbers are 7 and 8. What is the first term?
Answer by josgarithmetic(39618)   (Show Source): You can put this solution on YOUR website!
Many possible solutions. What kind of sequence?

T=F+(n-1)d, general term for arithmetic sequence.
F, first term
n, index of sequence
d, common difference







----the first term

---general term for this arithmetic sequence

RELATED QUESTIONS

The second and fifth terms of an arithmetic sequence are 17 and 19, respectively. What is (answered by Theo)
The fifth term of a geometric sequence is 15 and the eighth term is -15/8. Find the first (answered by mananth)
What is the eighth term of the geometric sequence whose first three terms are 3, 6, and (answered by Tutorteddy.Com)
What is the first term of a sequence when the eighth term is twice the third term and the (answered by Boreal)
The third term of a geometric sequence is 32 and the fifth term is 512. What is the... (answered by Fombitz)
The first term of a geometric progression is 5 and the fifth term is 1280, the common... (answered by ikleyn,MathTherapy)
find first term of a geometric sequence whose fifth term and eighth term are 405 and... (answered by josgarithmetic)
The fifth term of a geometric sequence is 1/27th of the eighth term. If the ninth term... (answered by scott8148)
In a sequence, each term after the second is the sum of the two preceding terms. The... (answered by Edwin McCravy)