The coordinates of the image of vertex F after a reflection across the line y=-x is (3,-1)
From the question, the coordinates of the vertex F are:
F = (1,3)
When reflected across the line y = -x, the coordinates become
F' = (3,-1)
Hence, the coordinates of the image of vertex F after a reflection across the line y=-x is (3,-1)
Read more about reflection at:
https://brainly.com/question/4289712
