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Quadratic Equations — Maths STD 10 — Question

CBSE BoardEnglish MediumSTD 10MathsQuadratic Equations1 Mark
MCQ
$3x^2+ 4x + 5 = 0$ have :
  • A
    Real roots
  • ✓
    No Real roots
  • C
    Real and Distinct roots
  • D
    Real and Equal roots
✓

Answer

Correct option: B.
No Real roots
$D = b^2- 4ac$
$D = 42 - 4 \times 3 \times 5$
$D = 16 - 60$
$D = - 44$
$D < 0.$
No Real roots.

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