Show that the line joining (5, 6) and (2,3) is parallel to the line through `(9, -2) and (6, -5)`.

Show that the line : through (0, 0) and (2, 3) is parallel to the line through (2, 2) and (4, 5) .

Show that the line joining (2,-3) and (-5,1) is parallel to the line joining (7,-1) and (0,3).

Show that the line joining (2,-3) and (-5,1) is parallel to the line joining (7,-1) and (0,3).

Show that the line joining (2,-3) and (-5,1) is parallel to the line joining (7,-1) and (0,3).

Show that the line joining (2,-3) and (-5,1) is parallel to the line joining (7,-1) and (0,3).

Show that the line joining (2,-3) and (-5,1) is parallel to the line joining (7,-1) and (0,3).

Show that the line through the points (5, 6) and (2, 3) is parallel to the line through the points (9,-2) and (6,-5).

Show that the line joining (-1,1) and (-9,6) are parallel to the line joining (-2,14) and (6,9).

Show that the line joining (2,-3) and (-5,1) is (i) parallel to the line joining (7,-1) and (0,3) (ii) perpendicular to the line joining (4,5) and (0,-2)

Show that the line through (2, -5) and (-2, 5) is perpendicular to the line through (6, 3) and (1, 1)