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The points A(2, 3), B(2, 7) and C(2, -1) are plotted.
What do all three points have in common about their position?

Class 9The Cartesian PlaneCoordinate Geometry
  • AThey lie on a vertical line
  • BThey lie on the -axis
  • CThey lie on a horizontal line
  • DThey are all in the first quadrant

Step-by-Step Solution

All three have the same -coordinate 2, so they lie on the vertical line (parallel to the -axis).
Answer: A) They lie on a vertical line

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