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Anonymous Anonymous
  • 29-01-2017
  • Mathematics
Answered

An object is translated by ( x + 4, y - 2). If one point in the image has the coordinates (5, -3), what would be the coordinates of its pre-image?


(9, -5)

(1, -5)

(9, -1)

(1, -1)

Verified Answer :

john783 john783
  • 29-01-2017

To find the pre-image we work backwards. Since the coordinates one of the translated image is (5,-3) and this image was translated with the formula (x+4, y-2), then we can just work backwords. 
(x-4, y+2) --> (5-4,-3+2) -->(1,-1)
The correct answer is (1,-1)

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