Mathematical Identities Quiz
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Mathematical Identities Quiz

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@AdaptablePearl

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Questions and Answers

What symbol is sometimes used to indicate identities instead of the equals sign?

  • -
  • ≡ (correct)
  • =
  • +

    • Which of the following best describes a mathematical identity?

  • An equality that holds true for all values of the variables within a certain range of validity (correct)
  • A function that is defined differently for different values of the variables
  • An inequality that relates two mathematical expressions
  • An equation that is true for only specific values of the variables

    • Which type of identity involves functions that are differently defined but produce the same value?

  • Trigonometric identities (correct)
  • Algebraic identities
  • Geometric identities
  • Identity involving side lengths of a triangle

    • What are trigonometric identities distinct from?

    <p>Triangle identities</p> Signup and view all the answers

    Which type of identity can be useful in simplifying algebraic expressions and expanding them?

    <p>( a + b ) 2 = a 2 + 2 a b + b 2</p> Signup and view all the answers

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