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If the difference of the roots of the equation $x^2 - 2kx + 3k = 0$ is 4, then find the value of k.

B. 4, - 1
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The quadratic equation whose roots are twice the roots of $2x^2 - 5x + 2 = 0$ is :

B. $X^2 - 5X + 4 = 0$
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If the ratio of the roots of the equation $x^2 + 6x + k - 5 = 0$ is 3:5, then find the value of k.

C. $55/16$
Posted in:  Quadratic Equations -  Algebra -  Mathematics