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Choose the correct statement about the nature of the roots of \(x^2+12x+37=0\).

Answer and explanation

Correct answer: No real roots \((D=-4)\)

For a quadratic equation \(ax^2+bx+c=0\), the discriminant is \(D=b^2-4ac\). Here, \(a=1, b=12, c=37\), so \(D=12^2-4(1)(37)=144-148=-4\). Since \(D<0\), the equation has no real roots. The condition \(D=0\), given in option B, would instead indicate two equal real roots. In an exam, first check the sign of the discriminant to determine the nature of the roots.

Related tags

Quadratic EquationsNature Of RootsDiscriminantNo Real RootsClass 10 MathematicsMathematicsClass 10 Mcq

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