Respuesta :

Heather

Answer: A' (4, 10)

Step-by-step explanation:

      To reflect across the line of y = x on a graph, we flip the x and y values of the original point(s).

(x, y) -> (y, x)

A (10, 4) -> A' (4, 10)

See attached for a visual representation.

Ver imagen Heather