the reflection of A over the line m is shape B
Step-by-step explanation:
To determine the right reflection, we need to check the line we are reflecting the image.
For horizontal line:
reflection over the line: (x, y) to (x, -y)
For vertical line:
reflection over the line: (x, y) to (-x, y)
The line m is an horizontal line. This means the reflection will cause the y coordinates to be negative while keeping the x coordiante constant.
Negative y axis is below the line. The reflectd line will be in the neagtive y axis.
From the illustration, the reflection of A over the line m is shape B