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Question

The reflection of point (-7, -9) through the origin gives us___


A

(-7, 9)

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B

(7, 9)

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C

(7, -9)

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D

(9, 7)

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Solution

The correct option is B

(7, 9)


When reflected through the origin, both the coordinates will change their sign i.e. (x, y) becomes (-x, -y) or (-x, -y) becomes (x, y) depending upon the sign. So, if we have, the coordinates (-7, -9) its reflection through the origin gives us (7, 9) as a resultant point.


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