Quadratic Expressions
Roots, nature, sign of quadratic expression, location of roots.
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Take a full mock →Q1 · Quadratic Expressions · MEDIUM
For the quadratic equation x² + 6x + 9 = 0, the discriminant is:
Q2 · Quadratic Expressions · HARD
If α and β are roots of x² - 7x + 10 = 0, then α² + β² equals:
Q3 · Quadratic Expressions · EASY
The roots of the equation x² - 5x + 6 = 0 are: