Question

Which equation of a circle has a center C, and radius, r, as shown in the graph? Thanks!

Answer 1

Given the graph;

`C=(3,-2),r=√(26)`

The equation of a circle is;

`\begin{gathered} (x-h)^2+(y-k)^2=r^2 \\ \\ h=3,k=-2 \\ \end{gathered}`

Thus;

`(x-3)^2+(y+2)^2=26`