Question

Find the distance of a point P(x, y) from the origin.

Answer 1

The given point is P(x, y).
The origin is O(0,0)
Distance between two points is given by,
$=\sqrt{(x_2-x_1{)}^2+(y_2-y_1{)}^2}$
$PO=\sqrt{(x-0{)}^2+(y-0{)}^2}$
$=\sqrt{x^2+y^2}$