Mathematics, 17.07.2019 11:00 charliesteioff14
The equation (x-3)^2+(y+7)^2=64 models the position and range of the source of a radio signal. describe the position of the source and the range of the signals.
Answers: 2
![\bf \textit{equation of a circle}\\\\ (x- h)^2+(y- k)^2= r^2 \qquad center~~(\stackrel{}{ h},\stackrel{}{ k})\qquad \qquad radius=\stackrel{}{ r}\\\\ -------------------------------\\\\ (x-3)^2+(y+7)^2=64\implies [x-\stackrel{h}{3}]^2+[y-(\stackrel{k}{-7})]^2=\stackrel{r}{8^2} \\\\\\ center~(3,-7)\qquad radius=8](/tpl/images/0099/9083/091d5.png)
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The equation (x-3)^2+(y+7)^2=64 models the position and range of the source of a radio signal. descr...
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