The straight line joining the points (3,-5 ) and (-3,-5) is parallel to the -

The straight line joining the points (-3,-4) and(2,5) is -

Prove that the straight line joining the points (4, 5, 0) and (5, 3, 3) is parallel to the straight line joining the point (4, 3, -3) and (6, -1, 3).

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.

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.

If the straight line joining the points (2,1,4)and(a-1,4,-1) is parallel to the line joining the points (0,2,b-1)and(5,3,-2), find the values of a and b.

Prove that the straight line joining the points A(4, -3, 2) and B(2, -1, -1) is parallel to the straight line joining the point C(7, -3, 5) and D(1, 3, -4).

The straight line joining the points (-2,5) and (-4,3) is perpendicular to the line joining the points (k,0) and (2,3k) , find k.

If the straight line joining the points A(3, 4, -1) and B(4, p, 2) is parallel to the straight line joining the points C(2, 1, q) and D(4, -3, 1), then -

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) .