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Question

The point B(-5, 4) is reflected over the y-axis. What are the coordinates of the resulting point B′?


A

(5, -4)

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B

(-5, 4)

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C

(-5, -4)

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D

(5, 4)

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Solution

The correct option is D

(5, 4)


A point P (x,y) when reflected in y axis becomes P' (-x,y). Since B is 5 units to the left of the y-axis, B′ is 5 units to the right of the y-axis. B′ has coordinates (5, 4).


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