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Quadratic Equations

If the quadratic equation x² + 4x + k = 0 has roots that are real and distinct, what must be the condition on k?

B. K > 4
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What are the roots of the quadratic equation x^2 - 4x + 4 = 0?

A. 2 AND 2
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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 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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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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