Answer :
The standard form of a circle is
[tex]x^2+y^2=r^2[/tex]Where r is the radius.
As you can observe 3 to the square power is equal to 9, which means the correct equation is the last option.
[tex]x^2+y^2=9[/tex]The standard form of a circle is
[tex]x^2+y^2=r^2[/tex]Where r is the radius.
As you can observe 3 to the square power is equal to 9, which means the correct equation is the last option.
[tex]x^2+y^2=9[/tex]