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Use the discriminant to determine the nature of the roots of the following equation. x2 + 2x + 5 = 0
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Nov 1, 2017
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Use the discriminant to determine the nature of the roots of the following equation. x2 + 2x + 5 = 0
Mathematics
high-school
Jerseyboy
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x² + 2x + 5 = 0
a = 1, b = 2, c = 5
Discriminant = b² - 4ac =
2² - 4*1*5 = 4 - 20 = -16
Since the Disciminant,
D < 0, the roots are imaginary
Eivamu
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Nov 4, 2017
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Eivamu
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