Asked by Agnes
In xy plane the line l has equation y= -x. point p lies on l and has coordinates(-2,2) If l is rotated counterclockwise 45 degree about the origin. what will be the image of p under this rotation.
Answers
Answered by
Steve
(-2√2,0)
Just graph the point. See that it is at the end of the diagonal of a square. Now rotate it.
Just graph the point. See that it is at the end of the diagonal of a square. Now rotate it.
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