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
 OOOOOO
 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)