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03-05-2021
Mathematics

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Write the equation of the circle in standard form with the center (4,-2) and radius 5.

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03-05-2021

Standard formula for circle:

(x-h)^2+(y-k)^2=r^2

h: 4
k:-2
r:5

Since the radius is squared, it would be 5^2=25

Now plug in:

(x-4)^2+(y+2)^2 =25

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