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    Question

    One of the roots of the quadratic equation 3x┬▓ + 4x тАУ

    k = 0 is 1. What is the value of k?
    A 5 Correct Answer Incorrect Answer
    B 6 Correct Answer Incorrect Answer
    C 7 Correct Answer Incorrect Answer
    D 8 Correct Answer Incorrect Answer

    Solution

    One of the roots of the quadratic equation 3x┬▓ + 4x тАУ k = 0 is 1. Therefore, put x = 1 3(1)┬▓ + 4 ├Ч 1┬а тАУ k = 0 k = 7

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