Emma080907go Emma080907go Mathematics Answered Which of the following would be a line of reflection that would map ABCD onto itself? Square ABCD with C at 1 comma 3, D at 1 comma 1, A at 3 comma 1, and B at 3 comma 3. Group of answer choices y = 1 2x + y = 2 x + y = 4 x + y = 1