Question

Which of the following represents the rule for reflecting an image across the x-axis?
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A
.
(x,y) (-x,y)


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B.
(x,y) (x,-y)


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C.



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D.

Answer 1

B. (x, y) → (x, −y)

Explanation: Reflecting across the x-axis keeps the x-coordinate the same and negates the y-coordinate (e.g., (3, 4) → (3, −4)).