Mathematics, 18.12.2020 03:20 maguilarz2005

Which of the following does NOT preserve congruence? A. (x, y)→(3x+1,3y-2) B. (x, y)→(y+9,-x+2) C. (x, y)→(x+5,y-1) D. (x, y)→(y-3,x-3)

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Which of the following does NOT preserve congruence? A. (x, y)→(3x+1,3y-2) B. (x, y)→(y+9,-x+2) C. (...

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