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For which value of x will the fraction 7/2x-6 be undefined?


  • MATH -

    A fraction is undefined if its denominator is zero, so set
    2x-6 = 0
    x = 3

    So x = 3 makes the fraction undefined.

  • MATH -

    Any fraction is undefined when the denominator is equal to zero.

    In this problem the denominator is 2x-6.

    In order to find what value of x is needed to make the denominator zero, set it equal to x and solve.




    Therefore, this fraction is undefined (or has a denominator of zero) when x is equal to 3.

  • MATH -


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