Grade 9 Math Vocabulary

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Across
  1. 4. a kind of variation where a straight line passes through(0,0)
  2. 5. the solution to and equation
  3. 7. line from a vertex to the midpoint of the opposite side
  4. 9. the result of division
  5. 11. side of a right triangle that's not the hypotenuse
  6. 13. the result of multiplication
  7. 15. a way to show the surface area of a solid flattened out
  8. 17. quadrilateral with two parallel sides
  9. 20. angles that add up to 180 degrees
  10. 21. longest side of a right triangle
  11. 23. a number directly to the left of a variable
  12. 24. triangle with no equal sides
  13. 26. one quarter of the coordinate plane
  14. 27. lines whose slopes multiply to -1
  15. 30. rise over run
  16. 31. a point on a graph that is far from the line of best fit
Down
  1. 1. angle larger than 90 degrees less than 180 degrees
  2. 2. to divide evenly in half
  3. 3. numbers that locate a point on a scatter plot
  4. 6. triangle with three equal sides
  5. 8. the slope of a vertical line
  6. 10. triangle with two equal side
  7. 12. a mathematical hypothesis
  8. 14. angles that add to 90 degrees
  9. 16. point in the exact centre of a line segment
  10. 18. angles less than 90 degrees
  11. 19. where a line crosses the x or y-axis
  12. 22. one or more terms added together
  13. 25. a kind of relation that forms a straight graph
  14. 27. lines that have the same slope
  15. 28. a quadrilateral with four equal sides - not a square
  16. 29. angle with 90 degrees