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Quadratic Equations
CBSE 2026 Board Exam Set 1 (Code 30/1/1)
CBSE_BOARD_PYQ_2026_30_1_1
Grade 10
Question:
[Section A]
The discriminant of the quadratic equation $2x^2 - 4x + 3 = 0$ is:
(A) $-8$
(B) $10$
(C) $-16$
(D) $8$
The discriminant of the quadratic equation $2x^2 - 4x + 3 = 0$ is:
(A) $-8$
(B) $10$
(C) $-16$
(D) $8$
Step-by-Step Solution
Key Concept: $D = b^2 - 4ac = (-4)^2 - 4(2)(3) = 16 - 24 = -8$.
Sol. (A) $-8$. [1.0 Mark]
Correct Answer: (A) $-8$
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