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Suppose you need to plot the equation $x=3.14\text{.}$ You decide to try making a table of points. Fill out some points for this table.

$x$	$y$

Solution

Since the equation says $x$ is always the number $3.14\text{,}$ we have to use this for the $x$ value in all the points. This is different from how we would plot a “ $y=$ ” equation, where we would use several different $x$ -values. We can use whatever values for $y$ that we like, as long as they are all different.

$x$	$y$
$3.14$	$-2$
$3.14$	$-1$
$3.14$	$0$
$3.14$	$1$
$3.14$	$2$

The reason we made a table was to help with plotting the line.