if x is equal to 3 is one root of the quadratic equation X ki power 2 - 2 x minus 6 is equal to zero then find the value of k
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kx^2-2x-6=0
k(3)^2-2(3)-6=0
9k-6-6=0
9k=12
k=12/9
k=4/3
elsa0017:
where is k in given quadratic equation
?????
mate it was told to find k so k is the coefficient of x2 so i did it... the question is incomplete
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