Chapter-7 COORDINATE GEOMETRY

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Across
  1. 3. Three points on same line are ___
  2. 4. [(x1+x2)/2, (y1+y2)/2] gives ___ point
  3. 5. (x,y) is called ___ of a point
  4. 6. √[(x2-x1)²+(y2-y1)²] is ___ formula
  5. 7. Steepness of line, (y2-y1)/(x2-x1)
  6. 10. Plane divided into 4 parts called ___
  7. 12. Formula for ___ of triangle with vertices
  8. 13. x=0 is ___ axis
Down
  1. 1. [(mx2+nx1)/(m+n), (my2+ny1)/(m+n)] is ___ formula
  2. 2. Point (0,0) is called ___
  3. 5. Coordinate plane is also called ___ plane
  4. 8. Geometry deals with ___ in plane
  5. 9. Distance, section are types of ___
  6. 11. y=0 is ___ axis