What point would you have when (-7, 3) is reflected over the line y = x?

Answer 1

Reflection over the line y =x, basically the value of x becomes the value of y (in the image), and the value of the y will become the value of x (in the image)

x--> y

y--> x

So when (-7, 3) is reflected over the y=x line, its reflection will be (3, -7)