Unit 1 (Segments & Lines)

4. used to remove an exponent of 2 from an equation
6. two capital letters back-to-back represent this
10. property used in a proof that allows the sides of an equation to be switched
11. reason used in a proof when two equations are combined together
15. a flat surface
17. made from the connection between 2 points
18. used to calculate the length of diagonal segments
19. a rule that can be proved
21. occurs when a conclusion is made from looking at a pattern
22. lines that have identical slopes
23. points on the same line
24. the first reason in any proof

1. relationship used to represent how a distance can be broken into 2 distances
2. reason used in a proof when like-terms are combined on the same side of an equation
3. any sentence that contains a hypothesis followed by a conclusion
5. reason used in a proof when parentheses are eliminated
7. lines whose slopes are opposites in sign & flips of each other
8. a midpoint does this to a segment
9. reason used in a proof that allows the name of a segment or length to be reversed
12. rule accepted without having to be proved
13. operation most commonly used as a last step to solving an equation
14. this occurs when an If-Then Statement is reversed
16. used to show that a conclusion is false or wrong
20. "tick marks" on pictures are used to indicate this