math
posted by sam .
Could someone check my answer? I need to figure out the equation of the circle given the center of (9,0) and radius of 7.
(x(9))^2 + (y0)^2 = 7^2
answer(x+9)^2 + (y0)^2 = 49
is this correct?

clarifications I would eliminate the (y0)^2 to y^2 so the answer would be (x+9)^2 + y^2 = 49..... right
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