Question

Write the equation of the given circle.
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Answer 1

Answer:

The coordinate of the circle's center is (-4, -2)

by the given graph, the length of the radius is 3 .

the general equation of a circle is

(x-a) ^2+(y-b) =r^2 , where (a, b) is the center and r is radius.

now putting the values we get,

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

or, (x+4)^2+(y+2)^2 =9

the equation of the circle is (x+4)^2+(y+2)^2 =9