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A point (a, b) is reflected across the -axis to give point P'.
Reflection across the -axis keeps the same and flips the sign of .
If = (5, 3), what are the coordinates of P'?

Class 8Coordinates of a PointCoordinate Geometry
  • A(-5, 3)
  • B(5, -3)
  • C(-5, -3)
  • D(3, 5)

Step-by-Step Solution

Reflecting across the -axis sends to . So (5, 3) becomes (5, -3).
Answer: B) (5, -3)

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