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OpenStudy (anonymous):
The image of a point after a –90° rotation about the origin is (–4, 7). What are the coordinates of the preimage?
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Miracrown (miracrown):
|dw:1418596298013:dw|
Miracrown (miracrown):
So after we rotate a point -90 degrees...it ends up at -4(7) so that's up there basically right?
Miracrown (miracrown):
What are your thoughts on this? where would the original point be if this is the result of a -90 degree rotation?
Miracrown (miracrown):
Think about a rotation of 90 degrees being the same thing as a reflection
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