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Complete

Complete. Standardized Test Prep: p 74 (64 – 67 ); Mixed Review p 74 (73 – 78) Check Skills p 75 (1 – 7) Mixed Review p 81 (55 -69) Pages 269 – 270 (42 - 45 ) Read Section 2-2 p 75 to 77; write vocab from power points and do p 78 (2 – 22 evens). Section 2-2: Biconditionals and Definitions.

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Complete

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  1. Complete Standardized Test Prep: p 74 (64 – 67); Mixed Review p 74 (73 – 78) Check Skills p 75 (1 – 7) Mixed Review p 81 (55 -69) Pages 269 – 270 (42 - 45) Read Section 2-2 p 75 to 77; write vocab from power points and do p 78 (2 – 22 evens)

  2. Section 2-2: Biconditionals and Definitions 2.01 Use logic and deductive reasoning to draw conclusions and solve problems.

  3. Essential Questions 1) How are if-then statements written and interpreted? 2) How are Venn diagrams used to draw conclusions?

  4. Logically equivalent The statement and its contrapositive are logically equivalent. This means that the statement and its contrapositive are both true or both false.

  5. Draw concentric circles for the Venn diagram for testing conclusions for the conditional and the contrapositive. The hypothesis of each goes in the inner circle and the conclusion goes in the outer ring. If the statement one is asked to draw a conclusion about does not coincide with a hypothesis, there is no conclusion.

  6. biconditional A statement that combines a conditional and its converse with the words “if and only if” (abbreviated iff).

  7. Examples: Worksheet: 4 Questions on Biconditionals Together: 1, 3 You : 2, 4

  8. linear pair two adjacent angles that are supplementary

  9. With a partner, complete p 78 (2 – 22 even) • Individually: Practice 2-2

  10. Homework If-Then statements, Converses Worksheet Mixed Review, p 81 (55 – 69)

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