Mathematics, 22.07.2019 10:30 anthonyalvar6636
Acircle is centered at (−4, 9) and has a radius of 11. what is the equation of the circle? enter the equation in the box using lower case variables x and y.
Answers: 1
![\bf \textit{equation of a circle}\\\\ (x- h)^2+(y- k)^2= r^2 \qquad center~~(\stackrel{-4}{ h},\stackrel{9}{ k})\qquad \qquad radius=\stackrel{11}{ r} \\\\\\\ [x-(-4)]^2+[y-9]=11^2\implies (x+4)^2+(y-9)^2=121](/tpl/images/0119/2538/8244c.png)
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Acircle is centered at (−4, 9) and has a radius of 11. what is the equation of the circle? enter th...
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