Find the equation of the line passing through the point `(0,0)` and has a slope `m`.

Find the equation of the line passing through the point (2,-3) and having its slope 5/4 :

Find the equation of the line passing through the point (-2,-3) and having its slope 5/4:

Find the equation fo a line passing through the points (2,0) and (0,4).

Find the equation of a line passing through the point (4,-3) and having slope 2.

Find the equation of the curve passing through the point (0,0) and whose slope of the normal at a point (x, y) is equal to the sum of the ordinate and the product of the abscissa and ordinate of that point.

Find the equation of a line passing through the point (1,-2) and whose slope is 4 .

Find the vector equation for the line passing through the points (-1,0,2) and

Find the equation of the line passing through (0,a)and (b,0).

Find the equation of the straight line passing through the point (6,2) and having slope -3.

Find the equation of a line passing through the point (-1,3) and whose slope is (1)/(3) .