Quadratic Equations and Theory of Equations
Telangana Open School (TOSS) · Class 12 · Mathematics
Most important questions from Quadratic Equations and Theory of Equations for Telangana Open School (TOSS) Class 12 Mathematics board exam 2026. MCQs, short answer, and long answer questions with marks.
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Sample Questions
If the discriminant D > 0, the roots are:
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real and unequal
When D > 0, the quadratic equation has two distinct real roots.
If D = 0, the roots of the quadratic equation are:
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real and equal
When D = 0, the quadratic equation has exactly one real root (repeated root).
If D < 0, the roots are:
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complex and conjugate
When D < 0, the roots are complex and conjugate to each other.
The roots of x^2 - 5x + 6 = 0 are:
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2 and 3
Factoring: x^2 - 5x + 6 = (x - 2)(x - 3) = 0, so roots are 2 and 3.
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