Algebraeasy · Past Paper
Nature of roots of x^2 + 2x + 3 = 0:
AImaginary
BReal and equal
CReal and distinct
DIrrational
✓ Correct Answer: A — Imaginary
D = 2^2 - 4(1)(3) = 4 - 12 = -8. D < 0, so roots are imaginary.
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✓ Correct Answer: A — Imaginary
D = 2^2 - 4(1)(3) = 4 - 12 = -8. D < 0, so roots are imaginary.
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