Question

What is the sequence of -4,-2,0,2

Answer 1

Given:

The sequence is ,

$-4,-2,0,2,\ldots\text{..}$$\begin{gathered} \text{First term of the sequence is,} \\ a_0=-4 \\ \text{Common difference is,} \\ d=2 \\ \text{The sequence is,} \\ a_n=a_0_{}+(n-1)d \\ a_n=-4+(n-1)2 \\ a_n=-4+2n-2 \\ a_n=2n-6 \end{gathered}$

Answer:

$a_n=2n-6$