Which of the following would be a line of reflection that would map ABCD onto itself?
Square ABCD with B at 1 comma 3, A at 1 comma 1, D at negative 1 comma 1, and C at negative 1 comma 3.
A x = 1
B −x + y = 2
Cx − y = 2
D 2x + y = 3
![Which of the following would be a line of reflection that would map ABCD onto itself Square ABCD with B at 1 comma 3 A at 1 comma 1 D at negative 1 comma 1 and class=](https://us-static.z-dn.net/files/ddf/f60d6bf15496ff108e021bf7ba03ce89.png)