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Math Chapter 2
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conjecture
unproven statement based on observations
inductive reasoning
when you find a pattern in specific cases and then write a conjecture for the general case
counterexample
specific case for which a conjecture is false
conditional statement
logical statement that has 2 parts
hypothesis
conclusion
if then form
when conditional statement is proven
converse
switch original
exchange hypothesis and conclusion
inverse
negative original
contrapositive
converse negative
equivalent statement
when 2 statements are both true or both false
perpendicular
if two lines intersect to form a right angle
biconditional
statement that contains if and only if
deductive reasoning
using facts, definitions, and laws of logic
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
proof
logical argument that shows a statement is true
two-column proof
numbered statements and corresponding reasons that show an argument in a logical order
theorem
statement that can be proven
complementary angles
adding to 90
supplementary angles
adding to one 180
symmetric
mirror image
reflexive
equals itself
transitive
chain rule
ex. a=b, b=c, so a=c
Author
squirty99
ID
240073
Card Set
Math Chapter 2
Description
Math Chapter 2
Updated
2013-10-11T15:58:33Z
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