Question

If one of the roots of quadratic equation 2x square - 7x+ k = 0 is 3 then find the value of k

Answer 1

Answer:

2*3^2 - 7*3 + k = 0

2*9 - 21 + k = 0

18 - 21 + k = 0

-3 + k = 0

k = 3

Answer 2

Answer:

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