SOLUTION: Find the coordinates of the image of point R(�1, 3) rotated 90� about the origin. (4 points)

Question 613315: Find the coordinates of the image of point R(�1, 3) rotated 90� about the origin. (4 points)
Found 2 solutions by jim_thompson5910, ewatrrr:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Hint: to rotate any point (x,y) about the origin 90 degrees counter clockwise, you swap the x and y coordinates and you negate the x coordinate of the final point. So you go from (x,y) to (-y,x)
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

Hi,

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