Question

The set of integers that are multiple of 5

use set notation

Answer 1

`{\Large \begin{array}{llll} y=\{5x; ~~ x\in \mathbb{Z}\} \end{array}} \qquad \textit{integers multiples of 5}`

Answer 2

Explanation:

\[y={5x,x \\ I\]

={...,-10,-5,0,5,10,...}