Answer:
I'm pretty sure it's the last one.
Step-by-step explanation:
Answer:
Incident ray, the reflection ray and the normal to thereflection surface at the point of the incidence lie in the same plane
The line x - y = 5 passes through points (-5,0) and (0,5)
the line in slope intercept form is y = x + 5 and plug in the point to see if the equation is true.