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Mathematics 7 Online
OpenStudy (anonymous):

Determine the image of the point (-5,2) under a rotation of 90 about the origin.

OpenStudy (mathmale):

why not start by graphing (-5,2)? Use the Draw utility (below). although you don't have to: draw a ray (line) from the origin to the point (-5,2). Then rotate this line counterclockwise about the origin. what are the new coordinates of your point?

OpenStudy (anonymous):

|dw:1396448373716:dw|

OpenStudy (mathmale):

|dw:1396448850554:dw|

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