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Find the values of k ε R subject to the following condition :
The ratio of the rots of $x^2 + 3kx + 20 = 0$ is 4 : 5.

A. ± 3
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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. $55/16$
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A quadratic equation has roots 3 and 4. What is the quadratic equation in standard form?

A. X² - 7X + 12 = 0
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If the roots of the quadratic equation 2x² + 3x + k = 0 are real and equal, what is the value of k?

A. -4.5
Posted in:  Quadratic Equations -  Algebra -  Mathematics