SOLUTION: Find the 50th term of the sequence: 5, -2, -9, -16 A) -352 B) -343 C) -338 D) -331

Question 1117243: Find the 50th term of the sequence: 5, -2, -9, -16
A) -352
B) -343
C) -338
D) -331
Answer by ikleyn(52851) (Show Source): You can put this solution on YOUR website!
.

Arithmetic progression with the first term  5  and the common difference  d = (-2-5) = -7.


The n-th term is   =  + d*(n-1).


In your case   = 5 + (-7)*(n-1).       (1)


To find  ,  substitute  n= 50 into the formula (1) and calculate.

----------------
For introductory lessons on arithmetic progressions see
    - Arithmetic progressions
    - The proofs of the formulas for arithmetic progressions
    - Problems on arithmetic progressions
    - Word problems on arithmetic progressions
in this site.

RELATED QUESTIONS
The expression x*y has the value (y*-2)-(-√x)*3 . Find the value of 49*- 1/3 A)-334... (answered by greenestamps)

what is the 50th term of -5 -2 1 4 sequence (answered by josgarithmetic)

Find the 3rd term of an arithmetic sequence with t2 =9/2 and t5 = 6. A. 5 B. 4 (answered by MathLover1)

find the next term in following sequence 1/8,1/4,3/8,1/2,..... a)7/8 b)5/8 c)3/4... (answered by Mathtut)

The sum of an infinite geometric sequence is 9/7 and the first term is 1. Find the... (answered by fractalier)

find the 50th term in the arithmetic sequence... (answered by drj)

What is the 704th term of the repeating sequence: 824198241982419� A) 8 B) 2 C)... (answered by checkley77)

Use the formula for the general term (the nth term) of an arithmetic sequence to find the (answered by MathLover1)