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If one root of the quadratic equation x² - 3x + k = 0 is double the other, what is the value of k?

B. 1
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What is the sum of the roots of the quadratic equation x² - 5x + 6 = 0?

A. 5
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If the roots of the quadratic equation x² + px + q = 0 are 3 and -2, what is the value of p?

C. -5
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For the quadratic equation 2x² + 4x + k = 0 to have real roots, what must be the minimum value of k?

C. -8
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Which of the following quadratic equations has roots that are equal?

A. X² - 4X + 4 = 0
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