# Math Chapter 2

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1. conjecture
unproven statement based on observations
2. inductive reasoning
when you find a pattern in specific cases and then write a conjecture for the general case
3. counterexample
specific case for which a conjecture is false
4. conditional statement
• logical statement that has 2 parts
• hypothesis
• conclusion
5. if then form
when conditional statement is proven
6. converse
• switch original
• exchange hypothesis and conclusion
7. inverse
negative original
8. contrapositive
converse negative
9. equivalent statement
when 2 statements are both true or both false
10. perpendicular
if two lines intersect to form a right angle
11. biconditional
statement that contains if and only if
12. deductive reasoning
using facts, definitions, and laws of logic
13. line perpendicular to a plane
the line intersects the plane in a point and is perpendicular to every line in the plane that intersects it at that point
14. proof
logical argument that shows a statement is true
15. two-column proof
numbered statements and corresponding reasons that show an argument in a logical order
16. theorem
statement that can be proven
17. complementary angles
18. supplementary angles
adding to one 180
19. symmetric
mirror image
20. reflexive
equals itself
21. transitive
chain rule

ex. a=b, b=c, so a=c

### Card Set Information

 Author: squirty99 ID: 240073 Filename: Math Chapter 2 Updated: 2013-10-11 15:58:33 Tags: Math Chapter Folders: Description: Math Chapter 2 Show Answers:

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