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If the quadratic equation x² + 6x + 9 = 0 is solved, what is the relationship between its roots and coefficients?

A. ROOTS ARE EQUAL AND SUM IS -6
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If the roots of the quadratic equation x² - 5x + k = 0 are real and equal, what is the value of k?

A. 6.25
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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 - 7x + 10 = 0 are a and b, what is the value of a² + b²?

B. 39
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A quadratic equation has roots 3 and 5. What is the quadratic equation in standard form?

A. X² - 8X + 15 = 0
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