bryantfoster
29.01.2020 •
Mathematics
Find the discriminant and describe the roots for this equation x^2+3x+8=0
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Ответ:
Step-by-step explanation:
The discriminant of a quadratic equation is b² - 4ac.
Here, a = 1, b = 3 and c = 8, and so the value of the discriminant is:
3² - 4(1)(8) = 9 - 32 = -23
The discriminant is -23 in this case.
A negative discriminant indicates that the roots will be complex.
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