A table of values is a chart that helps to organize and visualize information. It is frequently used to show the relation between two variables.

$x$	$y$
$0$	$0$
$1$	$3$
$2$	$6$
$3$	$9$
$4$	$12$
$5$	$15$

In this table, each $x\text{-}$ and $y\text{-}$value appearing in the same row comprise an ordered pair. For example, the $x\text{-}$value $2$ corresponds to the $y\text{-}$value $6.$ This is usually represented with the notation $(2,6).$