English

If α and β are the zeros of x^2 + 5x + 8 then the value of (α + β) is ______.

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Question

If α and β are the zeros of x2 + 5x + 8 then the value of (α + β) is ______.

Options

  • 5

  • –5

  • 8

  • –8

MCQ
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Solution

If α and β are the zeros of x2 + 5x + 8 then the value of (α + β) is –5.

Explanation:

For ax2 + bx + c, we have `α + β = (-b)/a`.

For x2 + 5x + 8, we have α + β = –5.

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Chapter 2: Polynomials - MULTIPLE-CHOICE QUESTIONS (MCQ) [Page 70]

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R.S. Aggarwal Mathematics [English] Class 10
Chapter 2 Polynomials
MULTIPLE-CHOICE QUESTIONS (MCQ) | Q 12. | Page 70
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