Polynomials · Class 10 · CBSE Mathematics
If one zero of the quadratic polynomial p(x) = 4x^2 - 8kx - 9 is negative of the other, then the value of k is:
Practice question from Polynomials (Class 10 · CBSE Mathematics), with the correct answer and a step-by-step solution.
easy · MCQ · Q-0EC414
If one zero of the quadratic polynomial is negative of the other, then the value of is:
- A.0Correct answer
- B.-1
- C.1
- D.2
Solution
Let the zeroes be and . The sum of zeroes is . For a quadratic polynomial , the sum of zeroes is . Therefore, , which gives , so .
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