If three points A(h,0), B(a, b) and C(0, k) lie on line, show that `(a)/(h) +(b)/(k)=1`.

If three points (h, 0), (a, b) and (0, k) lies on a line, show that a/h+b/k=1

Three points P (h, k), Q(x_1, y_1) and R (x_2,y_2) lie on a line. Show that : (h-x_1)(y_2-y_1)= (k-y_1)(x_2-x_1) .

Show that the points A(1,2),B(-1,-16) and C(0,-7) lie on the graph of the linear equation y=9x-7 .

If the points a+b,a-b and a+kb be collinear, then k is equal to

Points (3, 3), (h, 0), (0, k) are collinear and a/h+b/k=1/3 . Then :

A line passes through (x_1, y_1) and (h, k). If slope of line is m, show that k-y_1 = m (h -x_1 ) .

A line passes through (x_1, y_1) and (h,k). If slope of the line is m, show that k-y_1=m(h-x_1) .

Show that the points A(2,3,4),B(-1,2,-3) and C(-4,1,-10) are collinear. Find the equations of the line in which they lie.

Given four points A(2, 1, 0), B(1, 0, 1), C(3, 0, 1) and D(0, 0, 2) . Point D lies on a line L orthogonal to the plane determined by the points A, B and C.

The Line L given by (x)/(5) + (y)/(b) =1 passes through the point (13, 32). The line K is parallel to L and has the equation (x)/(c) + (y)/(3) = 1 . Then the distance between L and K is