chapter 1 crossword

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Across
  1. 2. - set of order pair
  2. 4. - dot at the point that correspond to an order pair on a coordinate plane
  3. 8. - a pair of number used to locate any point on a coordinate plane
  4. 9. - an educated guess
  5. 10. - a graph that show the relationship between two set of data
  6. 12. - a combination of number and operation
  7. 15. - an equation that contain a variable
  8. 16. - to write an expression in a situation to see possible outcome
  9. 18. - the process of using fact,properties,or rule to justify reasoning or reach valid conclusion
  10. 19. - value for the variable that make an
  11. 20. - the point at which the number line intersect in a coordinate system
Down
  1. 1. - the set of all y-coordinate from each ordered pair
  2. 3. - reasoning based on a pattern of example or past event
  3. 5. - an expression that contain sums and / or product variable and number
  4. 6. - the set of all x-coordinates from each pair
  5. 7. - statement of equality of two or more ratios
  6. 11. - find the numerical value of an expression
  7. 13. - form by the intersection of two number line
  8. 14. - an example that show a conjecture is not true
  9. 17. - mathematical sentence that contain an equal sign