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Math Help - word problem!!

  1. #1
    themantis54
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    word problem!!

    kk so the question goes as follows:

    The sum of a bumber and its reciprocal is 6.41. What is the number?



    I have allready started with 6.41= x + 1/x

    Please help me determine what the value of x is!
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by themantis54 View Post
    kk so the question goes as follows:

    The sum of a bumber and its reciprocal is 6.41. What is the number?



    I have allready started with 6.41= x + 1/x

    Please help me determine what the value of x is!
    If:

    6.41= x + 1/x ,

    then muliply through by x to get:

    6.42 x = x^2 + 1,

    rearrange:

    x^2 - 6.42 x + 1 = 0

    then use the quadratic formula to find the solutions.

    RonL
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