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Math Help - is/are true about lines

  1. #1
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    Post is/are true about lines

    which of the following statements is/are true?

    A. the graph of a linear function is a straight line.
    B. a straight line is the graph of a linear function.
    C. the slope of a horizontal line is undefined.
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  2. #2
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    Quote Originally Posted by Alexander View Post
    which of the following statements is/are true?

    A. the graph of a linear function is a straight line.
    True.
    B. a straight line is the graph of a linear function.
    False. Consider x=4.
    C. the slope of a horizontal line is undefined.
    False. The slope of a vertical line is undefined.
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