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Please help with number 8 step by step
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Please help with number 8 step by step

Please help with number 8 step by step-example-1
User Lini Susan V
by
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1 Answer

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Answer:

It is a function because circles are functions

Explanation:

the formula for a circle is


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

(h,k) = center

r=radius

radius is 4 because diameter is 8

Center is (2,1)

plug it into the equation:


(x-2)^2+(y-1)^2=16

User Littleimp
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