1st Qctand (x,y)	2nd Qctand (y,x)	3rd Qctand (y,-x)	4th Qctand (x,-y)	5th Qctand (-x,-y)	6th Qctand (-y,-x)	7th Qctand (-y,x)	8th Qctand (-x,y)

Step 5: Plot