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04-09-2017
Mathematics

contestada

a circle has its center at (-2,3) and a radius of 5. What is the equation for the circle?

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coolstick coolstick

04-09-2017

Since the equation for a circle is (x-h)^2+(y-h)^2=r^2, with the center being (h,k) and the radius being r, we can plug it in to get (x-(-2))^2+(y-3)^2=5^2
=(x+2)^2+(y-3)^2=25

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