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Mathematics 49 Online
OpenStudy (anonymous):

Given x=0, y=-1/2 find the missing r. Please help!

OpenStudy (lgbasallote):

is this the one with \[r = \sqrt{x^2 + y^2}\]

OpenStudy (anonymous):

I'm not sure but the options are: a. +/1/2 b. 1/4 c. 1/2 d. -1/2

OpenStudy (lgbasallote):

yup definitely that one

OpenStudy (lgbasallote):

use the formula i gave

OpenStudy (anonymous):

C.!

OpenStudy (lgbasallote):

yup

OpenStudy (lgbasallote):

one question though...is this that polar coordinate thingy lesson?

OpenStudy (anonymous):

Hmmm, nope. :/

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