Free physics question bank

Quadratic Equation questions with solutions

Practice Mathematical tools and vector for JEE Main, JEE Advanced, NEET, and Classes 11–12. Attempt each question, then open it for the full solution.

Showing 1–10 of 65 questions

  • MCQdifficultMathematical tools and vector

    How many distinct real roots does x⁴-5x²+4=0 have?

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  • MCQmediumMathematical tools and vector

    The acceleration of a particle is a(t)=t²-7t+12 m/s². At which times is the acceleration zero?

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    NEETJEE Mains

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  • MCQmediumMathematical tools and vector

    The velocity of a particle is v(t)=t²-5t+6 m/s. At which times is the particle instantaneously at rest?

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  • IntegermediumMathematical tools and vector

    If α and β are roots of 2x²-6x+1=0, find 1/α+1/β.

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  • MCQmediumMathematical tools and vector

    For a(t)=t²-2t+5 m/s², the acceleration becomes zero:

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  • IntegermediumMathematical tools and vector

    The equation x² + kx + 16 = 0 has equal roots. Find the positive value of k.

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  • MCQmediumMathematical tools and vector

    A particle has position x(t)=t²-5t-6 m for t≥0. When does it cross the origin?

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  • MCQmediumMathematical tools and vector

    If α+β=6 and αβ=5, the quadratic equation whose roots are α and β is:

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  • IntegermediumMathematical tools and vector

    If α and β are roots of x² - 8x + 12 = 0, find (α-β)².

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  • IntegermediumMathematical tools and vector

    A particle has velocity v(t)=t²-6t+k. If its velocity becomes zero at exactly one distinct time, find k.

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