Draw a plane Q and label it.
Mark the dot anywhere on the plane for point W.
Draw a line AB passing through the point W.
The figure is
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"line](\"/userfiles/image/Library/Geometry/line_AB_intersects_plane_Q_w.gif\")
![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
![\"line](\"/userfiles/image/Library/Geometry/line_AB_intersects_plane_Q_w_1.gif\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")