How do you find an equation of the circle having center (4,-3) and radius 5?

Question

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 $3$ ?

14768 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-11-18T15:29:32

$(x-4)^2+(y+3)^2=25$

$(x-h)^2+(y-k)^2=r^2$

Where $h$ is the x coordinate of the centre, $k$ is the y coordinate of the centre and $r$ is the radius.

So from example:

$(x-(4))^2+(y-(-3))^3=5^2$

$:.$

$(x-4)^2+(y+3)^2=25$