Answer:
Step-by-step explanation:
Given
Options a, b and c
Required
Points that are reflections across y-axis
The rule of reflection across the y-axis is:
Testing the given options:
Rule:
This is true, because the actual reflection equals the given reflection
Rule:
This is not true, because the actual reflection does not equal to the given reflection
Rule:
This is not true, because the actual reflection does not equal to the given reflection
Hence
is a reflection of each other across y axis