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2.1 Conditional Statements Mrs. Stelter Geometry Fall 2010
Standards/Objectives: ,[object Object],[object Object],[object Object],[object Object]
Conditional Statement ,[object Object],[object Object],[object Object]
Conditional Statement ,[object Object],[object Object]
Ex:  Underline the hypothesis & circle the conclusion. ,[object Object],[object Object]
Ex: Rewrite the statement in “if-then” form ,[object Object],[object Object],[object Object]
Ex: Rewrite the statement in “if-then” form ,[object Object],[object Object]
Counterexample ,[object Object],[object Object],[object Object],[object Object]
Ex: Find a counterexample to prove the statement is false. ,[object Object],[object Object],[object Object]
Venn Diagrams Dogs labs If it is a lab, then it is a dog Michigan Detroit If you live in Detroit, then you live in Michigan
Negation ,[object Object],[object Object],[object Object],[object Object],[object Object]
Converse ,[object Object],[object Object],[object Object]
Inverse ,[object Object],[object Object],[object Object]
Contrapositive ,[object Object],[object Object],[object Object]
The original conditional statement & its contrapositive will always have the same meaning. The converse & inverse of a conditional statement will always have the same meaning.
Assignment: ,[object Object],[object Object]

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2.1 conditional statements

  • 1. 2.1 Conditional Statements Mrs. Stelter Geometry Fall 2010
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10. Venn Diagrams Dogs labs If it is a lab, then it is a dog Michigan Detroit If you live in Detroit, then you live in Michigan
  • 11.
  • 12.
  • 13.
  • 14.
  • 15. The original conditional statement & its contrapositive will always have the same meaning. The converse & inverse of a conditional statement will always have the same meaning.
  • 16.