Chapter 1 Crossword

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Across
  1. 2. the point at which the number lines intersect in a coordinate system
  2. 6. a pair of numbers used to locate any point on a coordinate plane
  3. 8. an example that shows a conjecture is not true
  4. 11. the process of using facts, properties, or rules to justify reasoning or reach valid conclusions
  5. 14. reasoning based on pattern of examples or past events
  6. 16. finding the numerical value of an expression
  7. 18. statement that are true for any numbers
  8. 19. the set of x-coordinates of an ordered pair
  9. 20. a mathematical sentence that contains an equal sign
Down
  1. 1. the horizontal number line which helps to form the coordinate system
  2. 3. an equation that contains a variable
  3. 4. a value for the variable that makes an equation true
  4. 5. the set of the y-coordinates of an ordered pair
  5. 7. an educated guess
  6. 9. an equation that contains a variable
  7. 10. to write an expression in a simplifier form
  8. 12. a dot at the point that corresponds to an ordered pair on a coordinate plane
  9. 13. a placeholder for any value
  10. 15. a graph that shows the relation between the two sets of the data
  11. 17. a set of ordered pairs