Coordinate geometry crossword

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Across
  1. 3. What is the distance from the Y-axis called.
  2. 4. What formula is √[(x₂ - x₁)² + (y₂ - y₁)²].
  3. 7. What is the dividing of a line segment into 3 equal parts called.
  4. 8. What is the distance from the X-axis called.
  5. 10. What formula is m₁x₂+m₂x₁/m₁+m₂ , m₁y₂+m₂y₁/m₁+m₂
  6. 13. What is a line that intersects in 90 degrees called.
  7. 14. Which shape's area formula is 1/2* base* Height
  8. 15. What is the point in which the three medians of the triangle intersect
Down
  1. 1. In which quadrant is both x value and Y value positive
  2. 2. Which point divides the line segment in 1:1 ratio
  3. 5. In which quadrant is both x and y value negative.
  4. 6. What is a line that cuts the intersecting line in two equal parts called.
  5. 9. In which quadrant is x negative and y value is positive
  6. 11. In which quadrant is x value positive and Y value negative
  7. 12. Which point on the graph has the coordinate (0,0)