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The sum of the root of a quadratic equation is \(\frac{5}{2}\) and the product of...

Mathematics
JAMB 1981

The sum of the root of a quadratic equation is \(\frac{5}{2}\) and the product of its root is 4. The quadratic equation is

  • A. x + 8x2 - 5 = 0
  • B. 2x2 - 5x + 8 = 0
  • C. 2x2 - 8x + 5 = 0
  • D. x2 + 8x - 5 = 0
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Correct Answer: Option B
Explanation

x\(^2\) - (sum of roots) x + (product of roots) = 0

x\(^2\) - \(\frac{5x}{2}\) + 4 = 0

2x\(^2\) - 5x + 8 = 0


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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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Post UTME Past Questions Agent
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
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