You can put this solution on YOUR website!
Those marks indicate it is an "absolute value", and an absolute value graph is "V" shaped
Absolute value is a positive number always. (The distance from zero to the number)
To plot any graph, you can always pick x coordinates and create a table of points to plot.
In your question,
We can pick the values of
-2,-1 and 1 to solve for y:
Plot three points:
and extend your lines.