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Xelga [282]
3 years ago
11

How do you solve this one problem?

Mathematics
1 answer:
vovikov84 [41]3 years ago
7 0
Check the picture below

thus, to get the radius  \bf \textit{distance between 2 points}\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%  (a,b)
&({{ -3}}\quad ,&{{ -6}})\quad 
%  (c,d)
&({{ -4}}\quad ,&{{ 8}})
\end{array}\qquad 
%  distance value
d = \sqrt{({{ x_2}}-{{ x_1}})^2 + ({{ y_2}}-{{ y_1}})^2}

and once you get the radius "r", plug it in at the circle's equation then

\bf (x-{{ h}})^2+(y-{{ k}})^2={{ r}}^2
\qquad center\ ({{ h}},{{ k}})\qquad
radius={{ r}}

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