Question

The Algebraic form of an arithmetic sequence is ½n-5

A what is the common difference

B find the first term

C find the first four terms in the sequence​

Answer 1

Answer:

Given, arithmetic sequence Xn=5n+3

a. The first term of the sequence, put n=1

X1=5×1+3=8

b. d=5 (coefficient of n be the common difference)

The remainder divide by 5=3.

(58=3,513=3,518=3,etc)