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Question 102

The point (0, -4) is plotted on a four-quadrant grid. Select all statements that are true about it.

  1. It lies on the y-axis, below the origin.Bonne réponse
  2. It lies in no quadrant at all.Bonne réponse
  3. It lies in Quadrant III, since neither of its coordinates is positive.
  4. It lies in Quadrant IV, because its vertical coordinate is negative.

Explication

An x-coordinate of zero means the point has not moved sideways at all, so it rests on the y-axis, four units beneath the origin. The quadrants are the four open regions between the axes, and a point sitting on an axis belongs to none of them, however negative its other coordinate happens to be.

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Question 102: The point (0, -4) is plotted on a four-quadrant grid.… · Integers and Negative Numbers · Questena