1.

Select the quadratic equation whose sum of roots is 4 and product of roots is 1.

A. x2 - 5x - 1 = 0
B. x2 - 4x - 1 = 0
C. x2 - 4x + 1 = 0
D. x2 + 4x + 1 = 0
Answer» D. x2 + 4x + 1 = 0


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