One of the roots of the equation 2x^2−5x+k=0 is 3 . Find the value of k.
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Answered by
8
2(3)^2-5(3)+k=0
2(9)-15+k=0
18-15+k=0
3+k=0
k=-3
Answered by
1
One of the roots is 3
x=3
2(3)^2-5(3)+k=0
2×9-15+k=0
18-15+k=0
3+k=0
K=-3
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