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?