Question 16 • Algebra II
Put the equation in standard form: 2x² − 4x + 7 = 0. The quadratic formula gives x = (4 ± √(16 − 56))/4 = (4 ± √(−40))/4. Since √(−40) = 2i√10, this simplifies to x = (2 ± i√10)/2, which is choice D.
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