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Which of the following equations has roots that are both real and equal?

A. X² - 4X + 4 = 0
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For the quadratic equation 2x² + 3x - 5 = 0, what is the product of the roots?

A. -5/2
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What is the product of the roots of the quadratic equation 2x² - 8x + 6 = 0?

A. 3
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If the roots of the quadratic equation x² - 6x + k = 0 are 2 and 4, what is the value of k?

B. 12
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If one root of the quadratic equation x² + 4x + k = 0 is 2, what is the value of k?

B. -8
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