The coordinates of the origin are $\ldots \ldots \ldots$

Which axis passes through the point $\left(7 \frac{3}{4}, 0\right)?$

If the perpendicular distance of a point $P$ from the $x$-axis is $5$ units and the foot of the perpendicular lies on the negative direction of the $x$-axis,then the point $P$ has

The points whose abscissa and ordinate have different signs will lie in

The point whose both coordinates are negative lies in the ............ quadrant.

If $(a, b)$ and $(b, a)$ represent the same point in the coordinate plane,then which of the following is possible?