1) Joint equation of co-ordinate axes, in a plane, is
2) Joint equation of two lines both parallel to X-axis, and each at a distance of 2 units from it, is
3) Joint equation of two lines both parallel to Y-axis, and each at a distance of 3 units from it, is
4) Joint equation of two lines, through the origin, having slopes 2 and -2 is
5) Joint equation of lines bisecting angles between co-ordinate axes is
6) Joint equation of lines, trisecting angles in first and third quadrants, is
7) Joint equation of lines, trisecting angles in second and fourth quadrants, is
8) Combined equation of pair of lines, through (1, 2), and parallel to co-ordinate axes, is
9) Joint equation of lines, through the origin, making an equilateral triangle with line x = 1, is
10) Joint equation of lines, through the origin, making an equilateral triangle with line y = 2, is
11) Joint equation of two lines through (-2, 3), parallel to bisectors of angles between co-ordinate axes, is
12) Joint equation of the X-axis and the bisector of the angle in the first quadrant is
