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Why is 'x' the unknown? (TED)

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Discussion

  1. Did you enjoy studying mathematics at school? Why or why not?
  2. Do you know anything about the Arabic language? Tell your partner the things you know.
  3. Which of the following have you heard of: X Factor, X Prize, X-Files, Project X, TEDx
  4. What does 'X' generally tend to represent?
  5. What is algebra? Is it useful? Why or why not?
  6. What sounds in English are hard for you to pronounce? What sounds in Japanese are hard for foreigners to pronounce?
  7. In English, what are the "definite" and "indefinite" articles? When do we use them?

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