A line segment has endpoints at open paren negative 1 comma 4 close paren and open paren 4 comma 1 close paren Which reflection will produce an image with endpoints at open paren negative 4 comma 1 close paren and open paren negative 1 comma negative 4 close paren ?
Answer
A
a reflection of the line segment across the line y is equal to x
B
a reflection of the line segment across the y -axis
C
a reflection of the line segment across the line y is equal to negative x
D
a reflection of the line segment across the x -axis