NSTSE · Mathematics

Quadratic Equations

Roots, discriminant, nature of roots, real-life applications.

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  • Q1 · Quadratic Equations · MEDIUM

    The discriminant of the quadratic equation 2x² - 5x + 3 = 0 is:

  • Q2 · Quadratic Equations · EASY

    The roots of the equation x² - 7x + 12 = 0 are:

  • Q3 · Quadratic Equations · HARD

    If the equation x² - px + q = 0 has roots that differ by 1, then:

  • Q4 · Quadratic Equations · MEDIUM

    For what value of k does the quadratic equation x² - 4x + k = 0 have equal roots?

  • Q5 · Quadratic Equations · MEDIUM

    For what value of k will the equation x² - 2(k + 1)x + k² = 0 have equal roots?

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