Question

Quadrilateral LMNO is shown on the coordinate plane below.



If quadrilateral L’M’N’O’ represents the reflection of quadrilateral LMNO across the line y = x, which point is at the ordered pair (-1, 1)?

Answer 1

is it O' ? Here are the choices


L’
M’
N’
O’

Answer 2

it's N if you reflect back the other way then N sits at point (-1,1)

Answer 3

as you can see y=x is diagonal line as shown