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Mathematics 20 Online
OpenStudy (zeus4263):

At what point(s) on the curve x^2 + y^2 = 9 is the tangent line vertical?

OpenStudy (sshayer):

what is the center of circle?

OpenStudy (zeus4263):

that is all the information i have

OpenStudy (sshayer):

center is (0,0)

OpenStudy (sshayer):

radius=3

OpenStudy (sshayer):

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