'8 8 addition property' diaporamas de présentation

2-5

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2-5

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2-5

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2-5

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Algebraic Proof

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2-5

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2-5

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2.5 Algebraic Proofs

2.5 Algebraic Proofs. Our goal for today is to answer the following guiding question: Why is it important to justify the steps in a proof with reasons?. Proof. Proof argument that uses logic, definitions, properties, and previously proven statements to show that a conclusion is true.

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9. Deductive 23. D 10. Inductive 24. H 11. Invalid 25. 196

9. Deductive 23. D 10. Inductive 24. H 11. Invalid 25. 196 12. Valid 32. (2.5, 3.5) 13. Better grades in SS 34. (0, 3) 14. 0.24 min or 14.4 sec 15. valid 16. invalid 17. valid 18. invalid 19. yes; no; first conditional was false

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