Coordinate Geometry

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Across
  1. 4. (x1+x2/2,y1+y2/2) is the formula for_____.
  2. 6. Formula used to find the area of a right angled triangle.
  3. 8. Area of Rhombus of vertices (3,0),(4,5),(-1,4),(-2,-1).
  4. 9. Graph of a quadratic equation is______.
  5. 12. We use _______ to find distance between 2 points.
  6. 13. m1x2+m2x1/m1+m2, m1y2+m2y1/m1+m2
Down
  1. 1. If 3 points are equidistant from each other, it is known as______.
  2. 2. 1/2 bh is the area of a _______.
  3. 3. x- coordinate is known as
  4. 5. A________ equation is of the form ax+by+c=0.
  5. 7. (kx2+x1/k+1,ky2+y1/k+1).
  6. 10. Y- coordinate is known as
  7. 11. (x1+x2+x3/3,y1+y2+y3/3) is the formula for_____