Question

The distance of any point $(x,y)$ from the origin is =

• A. $x+y$
• B. $\sqrt{x+y}$
• C. $\sqrt{x^2+y^2}$
• D. $\sqrt{x^2-y^2}$

Answer 1

The correct option is C $\sqrt{x^2+y^2}$

The distance of a point $(x,y)$ from the origin $(0,0)$ is $\sqrt{(x-0{)}^2+(y-0{)}^2}=\sqrt{x^2+y^2}$