What is the equation of the circle with a center at #(4 ,-7 )# and a radius of #4 #?

Question

↳Redirected from "Question #19ea3"

How do you write the general form given a circle that passes through the given points. P(-2, 0),...
What is the equation of the circle with a center at #(7 ,1 )# and a radius of #2 #?
What is the equation of the circle with a center at #(3 ,1 )# and a radius of #2 #?
What is the equation of the circle with a center at #(3 ,1 )# and a radius of #1 #?
What is the equation of the circle with a center at #(3 ,5 )# and a radius of #1 #?
What is the equation of the circle with a center at #(3 ,5 )# and a radius of #6 #?
What is the equation of the circle with a center at #(2 ,5 )# and a radius of #6 #?
What is the equation of the circle with a center at #(2 ,2 )# and a radius of #4 #?
What is the equation of the circle with a center at #(2 ,2 )# and a radius of #3 #?
What is the equation of the circle with a center at #(2 ,1 )# and a radius of #3 #?

2428 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-03-02T08:04:40

#(x-4)^2 + (y+7)^2 = 16#

For a circle with radius #r# centered at #(a,b)#, its cartesian equation is

#(x-a)^2+(y-b)^2 = r^2#

www.mathsisfun.com