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One root of the quadratic equationx2 - 7x - 2k = 0 is 4 |
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Answer» -step explanation:x^2 - 7x - 2k = 0 since the ROOT GIVEN is 4, SUBSTITUTING x by 4 in the given equation: => (4)^2 - 7(4) - 2k = 0=> 16 - 28 - 2k = 0 => 12 - 2k = 0 => 12 = 2k=> k = 6 |
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