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If ΔABC is reflected over the x-axis and vertex B has coordinates (2, 7), what are the coordinates of vertex Bʹ?
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If ΔABC is reflected over the x-axis and vertex B has coordinates (2, 7), what are the coordinates of vertex Bʹ?

User Joseph Kasule
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1 Answer

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A reflection over the x-axis only change the signal of the coordinate y of the point. Hence, the coordinates of vertex B' are:
B'(2,-7).
User Killstreet
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