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Anil plots a point on the -axis. He says its coordinates are (4, 4). Why must he be wrong?
Choose the best reason.

Class 9Points on the AxesCoordinate Geometry
  • AA point on the -axis must have -coordinate 0, but here .
  • BA point on the -axis must have -coordinate 0.
  • CBoth coordinates of an -axis point must be equal.
  • DAn -axis point must have a negative -coordinate.

Step-by-Step Solution

Every point on the -axis is of the form , 0). Since (4, 4) has (non-zero), it cannot lie on the -axis.
Answer: A) A point on the -axis must have -coordinate 0, but here .

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