If the line joining the points `(3, y), (2 ,7)` is parallel to the line joining the points is `(-1 ,4), (0, 6) `then find the value of y.

The line joining the points (1,-5) and (4,-3) is parallel to the line joining the points .

If the line joining the points (k,2,3),(1,1,2) is parallel to the line joining the points (5,4,-1),(3,2,-3) then k=

If the line joining the points (5,y) and (4,9) is parallel to the line joining the points (0,5) and (1,7) , find the value of y .

If the line joining the points (k,1,2),(3,4,6) is parallel to the line joining the points (-4,3,-6),(5,12,I) then (k,I)=

If the line joining the points (6,-2) and (8,4) is perpendicular to the line joining the points (12,8) and (24,y) , find the value of y .

if the straight line joining the points (3,4) and (2,-1) be parallel to the line joining the points (a,-2) and (4,-a), find the value of a.

Find the value of y if the line joining the points (3, y) and (2, 7) in parallel to the line joining the points (-1, 4) , (0, 6) .

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) .

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) .