1. Chapter 2 Class 10 Polynomials
  2. Serial order wise
  3. MCQs from NCERT Exemplar
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Question 1 - MCQs from NCERT Exemplar - Chapter 2 Class 10 Polynomials

Last updated at Dec. 16, 2024 by Teachoo

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

Transcript

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)
  1. Chapter 2 Class 10 Polynomials
  2. Serial order wise

    3. MCQs from NCERT Exemplar

    Past Year MCQ (Maths Standard) →
Past Year MCQ (Maths Standard) →
Chapter 2 Class 10 Polynomials
Serial order wise

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo