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Mathematics 9 Online
OpenStudy (anonymous):

Determine if the graph is symmetric about the x-axis, the y-axis, or the origin. r = -5 - 5 cos θ

OpenStudy (anonymous):

cos theta = cos (-theta) thus the graph is symmetric about the line theta=0, which is the x-axis

OpenStudy (anonymous):

Thank you so much (: @eashy

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