Question

Find the formula for the nth term in this arithmetic sequence a1=0 a2=.5 a3=1 a4=1.5

Answer 1

Explanation:

The arithmetic sequence usually write as
`a_(n)=a_(1) +(n-1)d`, where a1 is the first term and d is a common difference.

`a_(n) = a_(1)+(n-1)d\\a_(n) = 0+(n-1)0.5\\`