Coordinate geometry

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Across
  1. 3. The distance formula involves the square root of the sum of squares of the differences in x and y coordinates.
  2. 5. A line segment that connects two points.
  3. 7. The x-coordinate of the point where a line crosses the x-axis.
  4. 9. A vertical line in the coordinate plane. Undefined - The slope of a vertical line is.
Down
  1. 1. The midpoint formula finds the midpoint of a segment by averaging the x and y coordinates of the endpoints.
  2. 2. The formula for slope.
  3. 4. The y-coordinate of the point where a line crosses the y-axis.
  4. 6. A horizontal line in the coordinate plane.
  5. 8. An ordered pair representing a point in the coordinate plane.