List of top Mathematics Questions on Straight lines asked in Assam CEE

Assuming that the straight line works as a plane mirror for a point, the image of the point \((1,2)\) in the line \[ x-3y+4=0 \] is

The orthocentre of the triangle formed by the following straight lines is \[ y=x,\qquad x-2y+1=0,\qquad 3x-4y-1=0 \]