Question 9 • CMS 2026-2027 Foundations of Math 3 INITIAL CREDIT
Use the quadratic formula for x² − 8x + 41 = 0. The discriminant is (−8)² − 4(1)(41) = 64 − 164 = −100, so its square root is 10i. Thus x = (8 ± 10i)/2 = 4 ± 5i, which is choice C.
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