Answer
All the points are in the form of $(x,y,2)$, where $x,y$ are any real numbers.
Work Step by Step
Since $z$ is set to $2$, the given plane is parallel to the $xy-$ plane and moved $2$ units above it. Thus, all the points are in the form of $(x,y,2)$, where $x,y$ are any real numbers.
