VTI Unit 1, Pt A, L2

Card Set Information

Author:
bye975
ID:
282328
Filename:
VTI Unit 1, Pt A, L2
Updated:
2014-09-07 15:56:44
Tags:
Unit Pt L2
Folders:
Math
Description:
Cards for VideoText Interactive Unit 1
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  1. Closed Phrase
    Any mathematical expression which contains neither a relation symbol nor a placeholder symbol. For example, 2(5 - 1) is a closed phrase
  2. Open Phrase
    any mathematical expression which contains a placeholder symbol, but does not contain a relation symbol. For example, 6 + [3 - n] is an open phrase
  3. Closed Sentence
    Any mathematical expression which contains a relation symbol, but does not contain a placeholder symbol. For example, 7(4 - 2) = 13 is a closed sentence.
  4. Open Sentence
    Any mathematical expression which contains both a relation symbol and a placeholder symbol. For example, 9 + 2[n - 4] > 12 is an open sentence.

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