On the coordinate plane below, quadrilateral 1 has been transformed to form quadrilateral 2. у
A
-2-15
2
4
.
-6
Which of these could be the transformation? Choose all that are correct

O A reflection across the line=1
A reflection across the line y = 1
A translation 2 units to the left, and then a reflection across the y -axis
A translation 2 units to the right, and then a reflection across the y -axis
A reflection across the y -axis, and then a translation 2 units to the right
A rotation of 180 about the point (1,4)