Mathematics, 01.12.2021 06:50 amakayla57

Which quadratic equation has roots 9 + 2i and 9 - 2i ? A)X^2 - 18x + 82 = 0
B)X^2 + 18x + 85 = 0
C)X^2 + 18x + 82 = 0
D)X^2 - 18x + 85 = 0

Answers: 2

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Which quadratic equation has roots 9 + 2i and 9 - 2i ? A)X^2 - 18x + 82 = 0
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Which quadratic equation has roots 9 + 2i and 9 - 2i ? A)X^2 - 18x + 82 = 0 B)X^2 + 18x + 85 = 0 C)X^2 + 18x + 82 = 0 D)X^2 - 18x + 85 = 0

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Another question on Mathematics

Which quadratic equation has roots 9 + 2i and 9 - 2i ? A)X^2 - 18x + 82 = 0
B)X^2 + 18x + 85 = 0
C)X^2 + 18x + 82 = 0
D)X^2 - 18x + 85 = 0