Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

H Geom chap 2 vocab

TermDefinition
inductive reasoning process of reasoning that a rule or statement is true because specific cases are true---when examples form a pattern and you assume the pattern will continue
conjecture statement you believe to be true based on inductive reasoning--you MUST prove to show always true--find one example which is false to show not true
counterexample the example given to show that a conjecture is not true
conditional statement "if p, then q"
hypothesis part p of a conditional statement-after the word if
conclusion part q of a conditional statement-after the word then
truth value validity of a conditional statement--either true (T) or false (F)
negation use the word "not" to mean the opposite of a statement p looks like ~p
converse reverse p and q in conditional statement "if q, then p"
inverse negation of conditional statement "if ~p, then ~q"
contrapositive reverse and negation of a conditional statement
logically equivalent statements related conditional statements that have the same truth value
deductive reasoning process of using logic to draw conclusions from given facts, definitions, and properties
biconditional statement statement that can be written in the form "p if and only if q"-----means "if p, then q" and "if q, then p"
definition statement that describes a mathematical object and can be written as a true biconditional
polygon defined as a closed plane figure formed by 3 or more line segments
triangle 3-sided polygon
quadrilateral 4-sided polygon
proof an argument that uses logic, definitions, properties, and previously proved statements to show that a conclusion is true
theorem any statement that you can prove---once proven, can be used as a reason in later proofs
2-column proof reasons given in a logical order to verify a conclusion----start with given statements, then list reasons to find conclusions
flowchart proof use boxes and arrows to show the structure of the proof
paragraph proof style of proof that presents the steps of the proof and their matching reasons as sentences in a paragraph
Created by: rachel schmelzer
Popular Math sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards