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 2 years ago
One root of 5x^(2) +6x +k =0 is double the other. Find the roots and find the value of k
 2 years ago
One root of 5x^(2) +6x +k =0 is double the other. Find the roots and find the value of k

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aceace
 2 years ago
Best ResponseYou've already chosen the best response.0you have to use the roots and coefficient rules of polynomials i.e. alpha + beta = (b/a)

cwrw238
 2 years ago
Best ResponseYou've already chosen the best response.0A + B = 6/5 and A*B = k / 5 let A = 2B so 2B + B = 6/5 2B*B = k/5 you need to solve this system for B and k
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