Plot the point that has the given polar coordinates.
$(-2, \frac{\pi}{4})$
Give two other polar coordinate representations of the point, one with $r < 0$ and one with $r > 0$.
$(r, \theta) = ($____$,$____$)
$(r, \theta) = ($____$,$____$) (smaller $r$-value)
(larger $r$-value)