# How do you write an equation for a circle with Center (−3, −6); radius 2?

##### 1 Answer

May 20, 2018

#### Explanation:

#"the equation of a circle in standard form is"#

#color(red)bar(|ulcolor(white)(2/2)color(black)((x-a)^2+(y-b)^2=r^2)color(white)(2/2)|)#

#"where "(a,b)" are the coordinates of the centre and r"#

#"is the radius"#

#"here "(a,b)=(-3,-6)" and "r=2#

#(x-(-3))^2+(y-(-6))^2=2^2#

#rArr(x+3)^2+(y+6)^2=4larrcolor(red)"equation of circle"#