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What is the correct conclusion about the nature of the roots of the equation \(7x^2+2x+3=0\)?

Answer and explanation

Correct answer: There are no real roots

Here, \(a=7\), \(b=2\), and \(c=3\). The discriminant is \(D=b^2-4ac=2^2-4(7)(3)=4-84=-80<0\). Therefore, the equation has no real roots. Exam tip: for a quadratic equation, \(D<0\) means no real roots, while \(D=0\) means two equal real roots.

Related tags

Quadratic EquationsNature Of RootsDiscriminantNo Real RootsClass 10MathematicsClass 10 Mcq

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