Find the value of k in 7x^2+kx-3=0 when x=2/3 is a solution of the equation
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Hey here is your answer
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Given, x = 2/3
7x² + kx - 3 = 0
7.4/9 + 2/3k - 3 = 0
28/9 + (2k - 9)/3 = 0
(84 + 18k - 81)/27 = 0
84 + 18k - 81 = 0
3 + 18k = 0
1 + 6k = 0
6k = -1
k = -1/6 is the answer
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