Solution by factorisation, completing the square, quadratic formula, discriminant.
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Q1 · Quadratic Equations · MEDIUM
The discriminant of the quadratic equation 2x² - 5x + 3 = 0 is:
Q2 · Quadratic Equations · HARD
If the sum of the roots of the equation x² - px + 15 = 0 is 8, then the value of p is:
Q3 · Quadratic Equations · EASY
The roots of the equation x² - 7x + 12 = 0 are: