Cameroon GCE O-Level Additional Mathematics Practice Questions - Cameroon General Certificate Of Education Ordinary Level Additional Mathematics (Subject Code 0575) Exam

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The roots of the quadratic equation $x^2 - 5x + 6 = 0$ are $\alpha$ and $\beta$. What is the quadratic equation whose roots are $2\alpha$ and $2\beta$?

$$x^2 - 10x + 24 = 0$ $$x^2 - 5x + 24 = 0$ $$x^2 - 10x + 12 = 0$ $$x^2 - 20x + 24 = 0$

Correct Answer:

$$x^2 - 10x + 24 = 0$

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