Question

A part of train a is given by the equation X + 2 Y - 4 = 0 and the path of another train b is given by the equation 2 X + 4 Y - 12 = 0 represent the situation by graphically

Answer 1

See Pic :
FOR GRAPHICAL EQUATIONS OF GIVEN TWO EQUATIONS :
x + 2y-4=0
2x+4y-12=0


These are both parallel lines.