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))`.

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)) .

Prove that the line through the point (x_(1) , y_(1)) and parallel to the line Ax + By + C =0 " is " A (x - x_(1)) + B (y - y_(1)) = 0 .

Equation of the line passing through (1, 2) and parallel to the line y=3x-1 is :

Write the slope of the line 3x+2y+1 = 0 ?

Find the slope of the line 2x+3y+1=0

Find the slope of the line x/3+y/2=1

The equation of the line passing through (-1 , -2) and having a slope of 4/7 is

Find the slope of the line 3x-4y+1=0 .

Equation of line passing through the point (1, 2) and perpendicular to the line y=3x-1 is

Equation of the line passing through (1,1,1) and parallel to the plane 2x+3y+z+5=0