Question

if one solution of the quadratic equation 7 square + k y- 3 is equal to zero is 2/3 then find the value of k​

Answer 1

Answer:

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Answer 2

Answer:

ok i answered mar me as brainliest

Step-by-step explanation:

Given, one root of the quadratic equation x  

2

−7x+k=0 is 3

∴ Substituting x=3 in the given equation

x  

2

−7x+k=0

(3)  

2

−7(3)+k=0

∴ 9−21+k=0

∴ 9−21+k=0

∴ −12+k=0

∴ k=12