Question 1 - MCQs from NCERT Exemplar - Chapter 2 Class 10 Polynomials

Last updated at August 12, 2026 by

If one zero of the quadratic polynomial x2 + 3x + k is 2, then the value of k is

(A) 10       (B) –10             (C) 5             (D) –5

If one zero of the quadratic polynomial x^2 + 3x + k is 2, then the - MCQs from NCERT Exemplar

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Question 1 If one zero of the quadratic polynomial x2 + 3x + k is 2, then the value of k is (A) 10 (B) –10 (C) 5 (D) –5 Let p(x) = x2 + 3x + k Since 2 is a zero of p(x) p(2) = 0 22 + 3(2) + k = 0 4 + 6 + k = 0 10 + k = 0 k = −10 So, the correct answer is (B)

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