Unit 1 (Segments & Lines)

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Across
  1. 4. used to remove an exponent of 2 from an equation
  2. 6. two capital letters back-to-back represent this
  3. 10. property used in a proof that allows the sides of an equation to be switched
  4. 11. reason used in a proof when two equations are combined together
  5. 15. a flat surface
  6. 17. made from the connection between 2 points
  7. 18. used to calculate the length of diagonal segments
  8. 19. a rule that can be proved
  9. 21. occurs when a conclusion is made from looking at a pattern
  10. 22. lines that have identical slopes
  11. 23. points on the same line
  12. 24. the first reason in any proof
Down
  1. 1. relationship used to represent how a distance can be broken into 2 distances
  2. 2. reason used in a proof when like-terms are combined on the same side of an equation
  3. 3. any sentence that contains a hypothesis followed by a conclusion
  4. 5. reason used in a proof when parentheses are eliminated
  5. 7. lines whose slopes are opposites in sign & flips of each other
  6. 8. a midpoint does this to a segment
  7. 9. reason used in a proof that allows the name of a segment or length to be reversed
  8. 12. rule accepted without having to be proved
  9. 13. operation most commonly used as a last step to solving an equation
  10. 14. this occurs when an If-Then Statement is reversed
  11. 16. used to show that a conclusion is false or wrong
  12. 20. "tick marks" on pictures are used to indicate this