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Please help thank you!
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Please help thank you!

Please help thank you!-example-1
User Ohad Perry
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If you reflect across the x-axis, you change the sign on the y-coordinate
So...
P(4, 7) ---> P'(4, -7)
Q(8, -1) ---> Q'(8, 1)
R(-9, 6) ---> R'(-9, -6)

The answer is D
User Selaron
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