Show that the line through (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 points (4,7,8) and 2,3,4) is parallel to the line through the points (-1,-2,1) and (1,2,5)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 (4,5) and (1,2) is parallel to the line joining the points (9,-2) and (12,1) .

Show that the line joining the points (4,-1) and (-3,3) is parallel to the line joining the points (8,0) and (1,4) .

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

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 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

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