A circle is centered at the point (5,-4) & passes through the point (-3,2).

The equation of this circle is (x+ ____)2 +(y+____)2=_____.


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Respuesta :

Equation of the circle:

[tex](x-5)^2+(y+4)^2=100[/tex]

Step-by-step explanation:

The equation of a circle is given by

[tex](x-x_0)^2+(y-y_0)^2=r^2[/tex]

where

[tex](x_0,y_0)[/tex] are the coordinates of the center of the circle

r is the radius of the circle

For the circle in this problem, we know that:

(5,4) are the coordinates of the center

We also know that the circle passes through the point (-3,2), therefore we can calculate the radius as the distance between the point on the circle and the center of the circle:

[tex]r=\sqrt{(-3-(5))^2+(2-(-4))^2}=\sqrt{(-8)^2+(6)^2}=\sqrt{64+36}=10[/tex]

Therefore, the equation of the circle is:

[tex](x-5)^2+(y-(-4))^2=10^2\\(x-5)^2+(y+4)^2=100[/tex]

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