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Mathematics 7 Online
OpenStudy (zenmo):

Small question on the "answers" for this rectangular to polar form problem y^2-8x-16=0.

OpenStudy (zenmo):

Simplifying the problem with the quadratic formula will get me |dw:1433774796671:dw| so I get |dw:1433774862883:dw|, but in the book it's |dw:1433774911588:dw|

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