What’s the rule of reflection

Answer:
[tex]\large\boxed{r_{y-axis}(x,\ y)\to(-x,\ y)}[/tex]
Step-by-step explanation:
[tex]L(-6,\ 2)\to L'(-(-6),\ 2)\to L(6,\ 2)\\\\M(-5,\ 4)\to M'(-(-5),\ 4)\to M'(5,\ 4)\\\\N(-3,\ 2)\to N'(-(-3),\ 2)\to N'(3,\ 2)\\\\\bold{Conclusion:}\\\\r_{y-axis}(x,\ y)\to(-x,\ y)[/tex]
Answer:
i think that is b because I took the same thing a bit ago. If i am wrong please correct me
Step-by-step explanation: