Show that the line through the points (1, -1, 2) and (3, 4,-2) is perpendicular to the through the points (0, 3,2) and (3, 5, 6).

Show that the line through the points (1, 1, 2), (3, 4, 2) is perpendicular to the line through the points (0, 3, 2) and (3, 5, 6).

Show that the line through the points (1,-1,2) and (3,4-2) is perpendicular to the line through the points (0,3,2) and (3,5,6)dot

Show that the line through the point (4, 7, 8) and (2, 3, 4) is parallel to the line through the points (-1, -2, 1) and (1, 2, 5).

Show that the line through the points (4, 7, 8), (2, 3, 4) is parallel to the line through the points ( 1, 2, 1) , (1, 2, 5) .

Show that the line through the points (4, 7, 8), (2, 3, 4) is parallel to the line through the points ( -1, - 2, 1) , (1, 2, 5) .

Show that the line joining the points (4,-3) and (0,7) is perpendicular to the line joining the points (5,2) and (0,0) .

Find the equation of the line passing through the point (-4, -5) and perpendicular to the line joining the points (1, 2) and (5, 6).

Show that the line through points (4,7,8) and 2,3,4) is parallel to the line through the points (-1,-2,1) and (1,2,5)dot

Find the equation to the line through the point (-4, -3) and perpendicular to the line joining the points (1, 3) and 2,7) .

Find the slope of the line through the points: (3, -2) and (-1, 4)