Coordinate Geometry

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Across
  1. 3. The system of locating points using two perpendicular lines.
  2. 4. The positive x-axis and positive y-axis form this quadrant.
  3. 6. A point’s x-coordinate is also known as ___.
  4. 7. The horizontal axis in the Cartesian plane.
Down
  1. 1. The French mathematician who developed coordinate geometry.
  2. 2. The vertical axis in the Cartesian plane.
  3. 3. Plane The plane formed by x and y axes is called ___.
  4. 5. The point where both axes intersect.
  5. 7. A point on the y-axis has this coordinate as zero.